# Check identifier 55687 — Response message/request for data of the tranche

<span hidden data-pagefind-meta={"title:Check identifier 55687 — Response message/request on data of the tranche · UTILMD · Format version 202604"} />

Check identifier **55687** · EDIFACT message type **UTILMD** · format version **202604**

:::info{title="This page is derived from the application handbook"}

The MACO APP does not carry this check identifier. The complete Prüfi pages of this level are produced from the specifications of the application — one class in the templater per check identifier — and that is where the **assignment to the business objects (BO4E)** comes from: which object carries which field of the message.

The catalogue of the application handbook is the larger set. This page therefore shows what the handbook itself provides — use case, process context and the AHB field list with its conditions. A data structure according to BO4E is not shown, and not because there is none, but because the application does not form one for this check identifier.

All check identifiers in this situation — and the corresponding figures — are listed by [the overview of this version](/en/schnittstellen/202604/pruefi/nicht-gefuehrt).

:::

## Application handbook (AHB)

<Handbuchsatz>

<div className="maco-tabellenrahmen" data-maco="ahb-tabelle">

| Structure (EDIFACT) | Description | Format | <span className="hbs-p" title="Rückmeldung/Anfrage Daten der Tranche">55687</span> | Condition |
|---|---|---|---|---|
| <span className="hbs-g hbs-e0">**UNH**</span> | — | — | Must | — |
| <span className="hbs-f hbs-e1">`0062`</span><span className="hbs-nr">00010</span> | Message reference number | — | X | — |
| <span className="hbs-f hbs-e1">`0065 UTILMD`</span><span className="hbs-nr">00020</span> | Grid connection master data | — | X | — |
| <span className="hbs-f hbs-e1">`0052 D`</span><span className="hbs-nr">00030</span> | Draft version | — | X | — |
| <span className="hbs-f hbs-e1">`0054 11A`</span><span className="hbs-nr">00040</span> | Edition 2011 - A | — | X | — |
| <span className="hbs-f hbs-e1">`0051 UN`</span><span className="hbs-nr">00050</span> | UN/CEFACT | — | X | — |
| <span className="hbs-f hbs-e1">`0057 S2.1`</span><span className="hbs-nr">00060</span> | Version number of the underlying BDEW message description | — | X | — |
| <span className="hbs-g hbs-e0">**BGM**</span> | — | — | Must | — |
| <span className="hbs-f hbs-e1">`1001 E03`</span><span className="hbs-nr">00070</span> | Change notifications | — | X | <span className="hbs-marke">[705]</span> |
| <span className="hbs-f hbs-e1">`1001 Z88`</span><span className="hbs-nr">00080</span> | Request for data clearing | — | X | <span className="hbs-marke">[706]</span> |
| <span className="hbs-f hbs-e1">`1004`</span><span className="hbs-nr">00090</span> | Document number | — | X | — |
| <span className="hbs-g hbs-e0">**DTM**</span> | — | — | Must | — |
| <span className="hbs-f hbs-e1">`2005 137`</span><span className="hbs-nr">00100</span> | Document-/message date/time | — | X | — |
| <span className="hbs-f hbs-e1">`2380`</span><span className="hbs-nr">00110</span> | Date or time or time span, value | — | X | <span className="hbs-marke">[931]</span> <span className="hbs-marke">[494]</span> |
| <span className="hbs-f hbs-e1">`2379 303`</span><span className="hbs-nr">00120</span> | CCYYMMDDHHMMZZZ | — | X | — |
| <span className="hbs-g hbs-e0">**SG2.NAD**</span> | — | — | Must | — |
| <span className="hbs-f hbs-e1">`3035 MS`</span><span className="hbs-nr">00130</span> | Document-/message sender or sender | — | X | — |
| <span className="hbs-f hbs-e1">`3039`</span><span className="hbs-nr">00140</span> | MP-ID | — | X | — |
| <span className="hbs-f hbs-e1">`3055 9`</span><span className="hbs-nr">00150</span> | GS1 | — | X | — |
| <span className="hbs-f hbs-e1">`3055 293`</span><span className="hbs-nr">00160</span> | DE, BDEW (Bundesverband der Energie- und Wasserwirtschaft e.V.) | — | X | — |
| <span className="hbs-g hbs-e0">**SG3.CTA**</span> | — | — | Must | — |
| <span className="hbs-f hbs-e1">`3139 IC`</span><span className="hbs-nr">00170</span> | Information contact | — | X | — |
| <span className="hbs-f hbs-e1">`3412`</span><span className="hbs-nr">00180</span> | Name of the contact person | — | X | — |
| <span className="hbs-g hbs-e0">**SG3.COM**</span> | — | — | Must | — |
| <span className="hbs-f hbs-e1">`3148`</span><span className="hbs-nr">00190</span> | Number / address | — | X | ((<span className="hbs-marke">[939]</span> <span className="hbs-marke">[321]</span>) ∨ (<span className="hbs-marke">[940]</span> <span className="hbs-marke">[322]</span>)) ∧ <span className="hbs-marke">[514]</span> |
| <span className="hbs-f hbs-e1">`3155 EM`</span><span className="hbs-nr">00200</span> | Electronic mail | — | X | <span className="hbs-marke">[1P0..1]</span> |
| <span className="hbs-f hbs-e1">`3155 FX`</span><span className="hbs-nr">00210</span> | Fax number | — | X | <span className="hbs-marke">[1P0..1]</span> |
| <span className="hbs-f hbs-e1">`3155 TE`</span><span className="hbs-nr">00220</span> | Telephone | — | X | <span className="hbs-marke">[1P0..1]</span> |
| <span className="hbs-f hbs-e1">`3155 AJ`</span><span className="hbs-nr">00230</span> | further telephone | — | X | <span className="hbs-marke">[1P0..1]</span> |
| <span className="hbs-f hbs-e1">`3155 AL`</span><span className="hbs-nr">00240</span> | Mobile phone | — | X | <span className="hbs-marke">[1P0..1]</span> |
| <span className="hbs-g hbs-e0">**SG2.NAD**</span> | — | — | Must | — |
| <span className="hbs-f hbs-e1">`3035 MR`</span><span className="hbs-nr">00250</span> | Message recipient | — | X | — |
| <span className="hbs-f hbs-e1">`3039`</span><span className="hbs-nr">00260</span> | MP-ID | — | X | — |
| <span className="hbs-f hbs-e1">`3055 9`</span><span className="hbs-nr">00270</span> | GS1 | — | X | — |
| <span className="hbs-f hbs-e1">`3055 293`</span><span className="hbs-nr">00280</span> | DE, BDEW (Bundesverband der Energie- und Wasserwirtschaft e.V.) | — | X | — |
| <span className="hbs-g hbs-e0">**SG4.IDE**</span> | — | — | Must | — |
| <span className="hbs-f hbs-e1">`7495 24`</span><span className="hbs-nr">00290</span> | Transaction | — | X | — |
| <span className="hbs-f hbs-e1">`7402`</span><span className="hbs-nr">00300</span> | Transaction number | — | X | — |
| <span className="hbs-g hbs-e0">**SG4.STS**</span> | — | — | Must | — |
| <span className="hbs-f hbs-e1">`9015 7`</span><span className="hbs-nr">00310</span> | Transaction reason | — | X | — |
| <span className="hbs-f hbs-e1">`9013 ZY1`</span><span className="hbs-nr">00320</span> | Change of tranche data | — | X | — |
| <span className="hbs-g hbs-e0">**SG4.STS**</span> | — | — | Must | <span className="hbs-marke">[301]</span> ∧ <span className="hbs-marke">[557]</span> ∧ <span className="hbs-marke">[2011]</span> |
| <span className="hbs-f hbs-e1">`9015 E01`</span><span className="hbs-nr">00330</span> | Status of the response | — | X | — |
| <span className="hbs-f hbs-e1">`9013`</span><span className="hbs-nr">00340</span> | Code of the check step | — | X | — |
| <span className="hbs-f hbs-e1">`1131 E_0639`</span><span className="hbs-nr">00350</span> | EBD no. E_0639 | — | X | — |
| <span className="hbs-f hbs-e1">`9012`</span><span className="hbs-nr">00360</span> | Time period ID from the change notification of the responsible party | — | X | <span className="hbs-marke">[914]</span> ∧ <span className="hbs-marke">[937]</span> ∧ <span className="hbs-marke">[44]</span> |
| <span className="hbs-g hbs-e0">**SG5.LOC**</span> | — | — | Must | — |
| <span className="hbs-f hbs-e1">`3227 Z21`</span><span className="hbs-nr">00370</span> | Tranche | — | X | — |
| <span className="hbs-f hbs-e1">`3225`</span><span className="hbs-nr">00380</span> | ID of the tranche | — | X | <span className="hbs-marke">[950]</span> |
| <span className="hbs-g hbs-e0">**SG6.RFF**</span> | — | — | Must | — |
| <span className="hbs-f hbs-e1">`1153 Z13`</span><span className="hbs-nr">00390</span> | Check identifier | — | X | — |
| <span className="hbs-f hbs-e1">`1154 55687`</span><span className="hbs-nr">00400</span> | GPKE / Response message / Request for data of the tranche from ÜNB to MSB | — | X | — |
| <span className="hbs-g hbs-e0">**SG6.RFF**</span> | — | — | Must | — |
| <span className="hbs-f hbs-e1">`1153 TN`</span><span className="hbs-nr">00410</span> | Transaction reference number | — | X | — |
| <span className="hbs-f hbs-e1">`1154`</span><span className="hbs-nr">00420</span> | Transaction number | — | X | — |
| <span className="hbs-g hbs-e0">**SG6.RFF**</span> | — | — | Must | — |
| <span className="hbs-f hbs-e1">`1153 Z47`</span><span className="hbs-nr">00430</span> | Data available in the system | — | X | <span className="hbs-marke">[5P0..n]</span> |
| <span className="hbs-f hbs-e1">`1153 Z48`</span><span className="hbs-nr">00440</span> | Expected data | — | X | <span className="hbs-marke">[2P0..n]</span> |
| <span className="hbs-f hbs-e1">`1153 Z54`</span><span className="hbs-nr">00450</span> | No data available in the system | — | X | <span className="hbs-marke">[4P0..n]</span> |
| <span className="hbs-f hbs-e1">`1153 Z55`</span><span className="hbs-nr">00460</span> | No data expected | — | X | <span className="hbs-marke">[2P0..n]</span> |
| <span className="hbs-f hbs-e1">`1156`</span><span className="hbs-nr">00470</span> | Time period ID | — | X | <span className="hbs-marke">[914]</span> ∧ <span className="hbs-marke">[937]</span> <span className="hbs-marke">[127]</span> ⊻ <span className="hbs-marke">[128]</span> |
| <span className="hbs-g hbs-e0">**SG6.DTM**</span> | — | — | Must | <span className="hbs-marke">[131]</span> ⊻ <span className="hbs-marke">[134]</span> ⊻ <span className="hbs-marke">[135]</span> |
| <span className="hbs-f hbs-e1">`2005 Z25`</span><span className="hbs-nr">00480</span> | Data used from | — | X | — |
| <span className="hbs-f hbs-e1">`2380`</span><span className="hbs-nr">00490</span> | Date or time or time span, value | — | X | <span className="hbs-marke">[UB1]</span> |
| <span className="hbs-f hbs-e1">`2379 303`</span><span className="hbs-nr">00500</span> | CCYYMMDDHHMMZZZ | — | X | — |
| <span className="hbs-g hbs-e0">**SG6.DTM**</span> | — | — | Must | <span className="hbs-marke">[472]</span> ⊻ <span className="hbs-marke">[473]</span> |
| <span className="hbs-f hbs-e1">`2005 Z26`</span><span className="hbs-nr">00510</span> | Data used until | — | X | — |
| <span className="hbs-f hbs-e1">`2380`</span><span className="hbs-nr">00520</span> | Date or time or time span, value | — | X | <span className="hbs-marke">[UB1]</span> |
| <span className="hbs-f hbs-e1">`2379 303`</span><span className="hbs-nr">00530</span> | CCYYMMDDHHMMZZZ | — | X | — |
| <span className="hbs-g hbs-e0">**SG8.SEQ**</span> | — | — | Must | — |
| <span className="hbs-f hbs-e1">`1229 Z99`</span><span className="hbs-nr">00540</span> | Expected OBIS data of the tranche | — | X | <span className="hbs-marke">[2P0..n]</span> |
| <span className="hbs-f hbs-e1">`1229 ZA0`</span><span className="hbs-nr">00550</span> | OBIS data of the tranche available in the system | — | X | <span className="hbs-marke">[3P0..n]</span> |
| <span className="hbs-f hbs-e1">`1050`</span><span className="hbs-nr">00560</span> | Reference to time period ID | — | X | <span className="hbs-marke">[914]</span> ∧ <span className="hbs-marke">[937]</span> <span className="hbs-marke">[22]</span> |
| <span className="hbs-g hbs-e0">**SG8.PIA**</span> | — | — | Must | — |
| <span className="hbs-f hbs-e1">`4347 5`</span><span className="hbs-nr">00570</span> | Product identification | — | X | — |
| <span className="hbs-f hbs-e1">`7140`</span><span className="hbs-nr">00580</span> | OBIS code of the tranche | — | X | — |
| <span className="hbs-f hbs-e1">`7143 SRW`</span><span className="hbs-nr">00590</span> | OBIS code | — | X | — |
| <span className="hbs-g hbs-e0">**SG10.CCI**</span> | — | — | Must | — |
| <span className="hbs-f hbs-e1">`7037 ZA9`</span><span className="hbs-nr">00600</span> | ÜNB | — | X | — |
| <span className="hbs-g hbs-e0">**SG10.CAV**</span> | — | — | Must | — |
| <span className="hbs-f hbs-e1">`7111 Z85`</span><span className="hbs-nr">00610</span> | Balancing group settlement | — | X | <span className="hbs-marke">[1P0..1]</span> |
| <span className="hbs-f hbs-e1">`7111 ZB5`</span><span className="hbs-nr">00620</span> | For the determination of the balance of balancing groups | — | X | <span className="hbs-marke">[1P1..1]</span> |
| <span className="hbs-g hbs-e0">**UNT**</span> | — | — | Must | — |
| <span className="hbs-f hbs-e1">`0074`</span><span className="hbs-nr">00630</span> | Number of segments in a message | — | X | — |
| <span className="hbs-f hbs-e1">`0062`</span><span className="hbs-nr">00640</span> | Message reference number | — | X | — |

</div>

</Handbuchsatz>

### Conditions of this table

The free text of the 31 conditions referenced by the rows above. All conditions of the message type are listed in the [condition index UTILMDS](/en/referenz/202604/ahb-bedingungen/UTILMDS).

<div className="maco-tabellenrahmen">

| Marker | Condition |
|---|---|
| **[22]** | The time period ID from DE1156 of a matching SG6 RFF+Z47/Z48/Z49 (usage period of the data) must be entered |
| **[44]** | The time period ID from DE1156 of a matching SG6 RFF+Z49/Z53 (usage period of the data: "valid data", "no data") from the request message from SG6 RFF+TN DE1154 ((reference transaction number (from request message)) must be entered |
| **[127]** | The value resulting from the number of repetitions of the SG6 RFF+Z48/Z55 (usage period of the data: expected data/no data expected) must be entered. This means: the first SG6 RFF+Z48/Z55 thus has the „1“, the second the „2“, the third the „3“, etc. |
| **[128]** | The value resulting from the number of repetitions of the SG6 RFF+Z47/Z54 (usage period of the data: data present in the system/no data present in the system) must be entered. This means: the first SG6 RFF+Z47/Z54 thus has the „1“, the second the „2“, the third the „3“, etc. |
| **[131]** | If this DTM+Z25 (use of the data from) in SG6 RFF (usage period of the data) is marked with the time period ID "1" in DE1156, the date in this DE2380 must be the day immediately following DTM+137 DE2380 (message date) at 0:00, or a day earlier than that at 0:00 German time |
| **[134]** | If this DTM+Z25 (use of data from) is not in the SG6 RFF+Z48/Z55 (usage period of the data: expected data/no data expected) with time period ID "1" in DE1156, the date must correspond to the DTM+Z26 (use of data until) of the SG6 RFF+Z48/Z55 (usage period of the data: expected data/no data expected) with the next lower time period ID in DE1156 |
| **[135]** | If this DTM+Z25 (use of data from) is not in the SG6 RFF+Z47/Z54 (usage period of the data: data present in the system/no data present in the system) with time period ID "1" in DE1156, the date must correspond to the DTM+Z26 (use of data until) of the SG6 RFF+Z47/Z54 (usage period of the data: data present in the system/no data present in the system) with the next lower time period ID in DE1156 |
| **[301]** | If BGM+E03 (change notification) present |
| **[321]** | If code EM is present in DE3155 in the same COM |
| **[322]** | If code TE / FX / AJ / AL is present in DE3155 in the same COM |
| **[472]** | If a time period ID is named in DE1156 (time period ID) in the same SG6 RFF+Z48/Z55 (usage period of the data: expected data/no data expected) which is lower than in another SG6 RFF+Z48/Z55 (usage period of the data: expected data/no data expected) DE1156 (time period ID) |
| **[473]** | If a time period ID is named in DE1156 (time period ID) in the same SG6 RFF+Z47/Z54 (usage period of the data: data present in the system/no data present in the system) which is lower than in another SG6 RFF+Z47/Z54 (usage period of the data: data present in the system/no data present in the system) DE1156 (time period ID) |
| **[494]** | The date stated here must be the point in time at which the document was created, or a point in time before that |
| **[514]** | Note: Only one piece of information may be transmitted in DE3148 |
| **[557]** | Note: If the responsible party has sent more than eight usage periods, eight arbitrary usage periods are answered |
| **[705]** | Note: If the action of a sequence diagram "Response message on change" is carried out |
| **[706]** | Note: If the action of a sequence diagram "Order placement of a change of master data..." is carried out with the aim of performing a data clearing |
| **[914]** | Format: Possible value: &gt; 0 |
| **[931]** | Format: ZZZ = +00 |
| **[937]** | Format: no decimal places |
| **[939]** | Format: the character string must contain the characters @ and . |
| **[940]** | Format: the character string must begin with the character + and may only be followed by digits |
| **[950]** | Format: market location ID |
| **[2011]** | Segment group must be specified exactly once for each time period ID from DE1156 of the SG6 RFF+Z49 / Z53 (usage period of the data: "Valid data" / "No data") from the request message from SG6 RFF+TN DE1154 (reference transaction number (from request message)) |
| **[1P0..1]** | Note: This is the standard package if no condition applies, e.g. in the COM segment. |
| **[5P0..n]** | [315] If BGM+Z88 (data clearing) present [20 13 ]  To be specified at least once ,   if  no SG6 RFF+Z54 (Usage period of the data: no data present in the system) present |
| **[2P0..n]** | [301] If BGM+E03 (change notification) present [315] If BGM+Z88 (data clearing) present |
| **[4P0..n]** | [315] If BGM+Z88 (data clearing) present 	 	 	 [20 14 ]  To be specified at least once ,  if no SG6 RFF+Z47 (Usage period of the data: data present in the system) present |
| **[UB1]** | ([931] ∧ [932] [490]) ⊻ ([931] ∧ [933] [491]) |
| **[3P0..n]** | [315] If BGM+Z88 (data clearing) present |
| **[1P1..1]** | Note: This is the standard package if no condition applies, e.g. in the COM segment. |

</div>

:::note{title="Editorial — not derived from a source"}

**The period ID of this response comes from the request.** Condition [44] requires in `STS` DE9012: »Es ist die Zeitraum-ID vom DE1156 aus einem passenden SG6 RFF+Z49/Z53 … einzutragen« (the period ID from DE1156 of a matching reference of the request is to be entered). The response thus repeats the period ID of the request's usage period that it refers to: DE1156 in `SG4.IDE+24.SG6.RFF+Z49` or `RFF+Z53` of the request.

**Source:** UTILMD AHB electricity (Knowledge Collection ahb/202604/UTILMDS and ahb/202610/UTILMDS), condition [44] at SG4 STS DE9012 · **As of:** 2026-09-23 · **Applies to format version:** 202604, 202610 · **To be reviewed by:** 2027-04-01

:::

## Belongs to these role views

The check identifier itself carries no market role. This assignment is derived back from the role views in whose process steps it occurs — affected are **LF**, **NB**, **MSB** and **ÜNB**.

<div className="maco-tabellenrahmen">

| Role | Party involved | Process | Rulebook | Division | Step |
|---|---|---|---|---|---|
| LF | LF | [Order placement for a master data change to the MSB (responsible)](/en/prozessdoku/202604/LF/GPKE-Teil4-bestellung-zur-stammdatenaenderung-an-msb-verantwortlich) | GPKE part 4 | Electricity | Step 7 |
| LF | LF | [Master data change initiated by the MSB (responsible)](/en/prozessdoku/202604/LF/GPKE-Teil4-stammdatenaenderung-vom-msb-verantwortlich-ausgehend) | GPKE part 4 | Electricity | Step 12 |
| NB | NB | [Order placement for a master data change to the MSB (responsible)](/en/prozessdoku/202604/NB/GPKE-Teil4-bestellung-zur-stammdatenaenderung-an-msb-verantwortlich) | GPKE part 4 | Electricity | Step 7 |
| NB | NB | [Master data change initiated by the MSB (responsible)](/en/prozessdoku/202604/NB/GPKE-Teil4-stammdatenaenderung-vom-msb-verantwortlich-ausgehend) | GPKE part 4 | Electricity | Step 12 |
| MSB | MSB | [Order placement for a master data change to the MSB (responsible)](/en/prozessdoku/202604/MSB/GPKE-Teil4-bestellung-zur-stammdatenaenderung-an-msb-verantwortlich) | GPKE part 4 | Electricity | Step 7 |
| MSB | MSB | [Master data change initiated by the MSB (responsible)](/en/prozessdoku/202604/MSB/GPKE-Teil4-stammdatenaenderung-vom-msb-verantwortlich-ausgehend) | GPKE part 4 | Electricity | Step 12 |
| MSB | WMSB | [Order placement for a master data change to the MSB (responsible)](/en/prozessdoku/202604/MSB--WMSB/GPKE-Teil4-bestellung-zur-stammdatenaenderung-an-msb-verantwortlich) | GPKE part 4 | Electricity | Step 7 |
| MSB | WMSB | [Master data change initiated by the MSB (responsible)](/en/prozessdoku/202604/MSB--WMSB/GPKE-Teil4-stammdatenaenderung-vom-msb-verantwortlich-ausgehend) | GPKE part 4 | Electricity | Step 12 |
| ÜNB | ÜNB | [Order placement for a master data change to the MSB (responsible)](/en/prozessdoku/202604/UENB/GPKE-Teil4-bestellung-zur-stammdatenaenderung-an-msb-verantwortlich) | GPKE part 4 | Electricity | Step 7 |
| ÜNB | ÜNB | [Master data change initiated by the MSB (responsible)](/en/prozessdoku/202604/UENB/GPKE-Teil4-stammdatenaenderung-vom-msb-verantwortlich-ausgehend) | GPKE part 4 | Electricity | Step 12 |

</div>

## Business classification

<div className="maco-tabellenrahmen">

| Attribute | Value |
|---|---|
| Use case (AHB) | Response message/request data of the tranche |
| AHB | UTILMD AHB electricity |
| Response to check identifier | [55686](/schnittstellen/202604/pruefi/UTILMD/PI_55686) |
| Decision tree | [E_0639](/referenz/202604/ebd/E_0639) |
| Transmission channel | AS4 |

</div>

:::caution{title="This check identifier is used in 2 contexts"}

Regulatory determination and communication direction depend on the process in which the message is sent. A single entry would be misleading — all placements are therefore listed here.

:::

<div className="maco-tabellenrahmen">

| Process description / rulebook | Process step | Communication | Action |
|---|---|---|---|
| GPKE part 4 | Master data change initiated by the MSB (responsible) | ÜNB → MSB | Response message on change |
| GPKE part 4 | Order placement for master data change to MSB (responsible) | ÜNB → MSB | Order placement of a change of master data from the ÜNB to MSB |

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:::caution{title="One entry from format version 202610"}

The check identifiers table of format version 202604 does not carry this entry: **decision tree**. It comes from version 202610. Everything else on this page — use case, rulebook and communication direction — comes from its own version. Before adopting this into an implementation specification, check whether what is stated applies to 202604.

:::

<Hinweisbereich>

The status column carries two vocabularies because the manual answers two questions: on a **group row**, *Muss*, *Soll* or *Kann* states whether the EDIFACT segment must be present; on a **field row**, *X* states that this qualifier is used in this check identifier. Both are kept exactly as the source records them.

For this check identifier, the application handbook lists **85 rows**. They appear in the order of the handbook, indented by segment: a row without a data element opens a segment, the rows below it are its data elements.

The **Condition** column names the markers under which the handbook ties a row to a prerequisite; their free text is below the table.

</Hinweisbereich>