# Restoration of grid connection use at start of supply — View NB

<Kopf rolle="NB" beteiligter="NB" festlegung="AWH Sperrprozesse Gas" dokument="AWH Sperrprozesse Gas" kapitel="" sparte="Gas" schritte={2} suchtitel="Restoration of grid connection use at start of supply — View NB · AWH Disconnection Processes Gas · Format version 202604" abschnitte={[{"id": "abschnitt-ablauf", "label": "Process flow"}, {"id": "abschnitt-schritte", "label": "Process steps"}, {"id": "abschnitt-informationen", "label": "Process information"}, {"id": "abschnitt-sichten", "label": "Other views of the process"}]} />

<a id="abschnitt-ablauf"></a>

## Process flow from the perspective of the NB

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<a id="abschnitt-schritte"></a>

## Process steps

<Schritt nr="1" anker="schritt-1" richtung="ausgehend" kopf={{"links": {"label": "NB", "eigen": true}, "rechts": {"label": "MSB"}}}>

### Information on the reconnection order

<Schrittskizze sicht={{"label": "NB"}} zeilen={[{"art": "ausloeser", "werte": ["START_AUFTRAGSSTATUS", "START_WIEDERHERST_LB"]}, {"art": "lesen_verarbeitung", "schnittstellen": [{"label": "Read market location"}, {"label": "LESEN_STATUSMITTEILUNG_BASIS"}]}, {"art": "senden", "label": "MSB", "weg": "AS4", "nachrichten": [{"nr": "21040", "titel": "Info reconnection order"}]}, {"art": "fortschreiben"}]} />

<div data-teil="pruefis">

**Check identifiers**
- [21040](/en/schnittstellen/202604/pruefi/IFTSTA/PI_21040) — Reconnection order info · AS4

</div>

**Flow**

<div data-ablauf>

<Stepper>
<ol>

<li data-teil="ausloeser">

**Process trigger**
- [`START_AUFTRAGSSTATUS`](/en/api/202604/ausloeser-nb/start-auftragsstatus) <OpenPlaygroundButton server={"https://api.macoapp.de"} url={"/inbound"} method={"post"} defaultBody={"{\n  \"stammdaten\": {\n    \"MARKTLOKATION\": [\n      {\n        \"marktlokationsId\": \"<marktlokationsId>\"\n      }\n    ],\n    \"STATUSMITTEILUNG\": [\n      {\n        \"positionsdaten\": [\n          \"<positionsdaten>\"\n        ]\n      }\n    ]\n  },\n  \"transaktionsdaten\": {\n    \"absender\": {\n      \"rollencodenummer\": \"<rollencodenummer>\"\n    },\n    \"antwortstatus\": \"<antwortstatus>\",\n    \"antwortstatusCodeliste\": \"<antwortstatusCodeliste>\",\n    \"empfaenger\": {\n      \"rollencodenummer\": \"<rollencodenummer>\"\n    },\n    \"fertigstellungsdatum\": \"<fertigstellungsdatum>\",\n    \"sparte\": \"<sparte: STROM | GAS | FERNWAERME | NAHWAERME | WASSER | ABWASSER>\"\n  },\n  \"zusatzdaten\": {\n    \"eventname\": \"START_AUFTRAGSSTATUS\",\n    \"prozessId\": \"<prozessId>\"\n  }\n}"} security={[{"bearer": []}]}>Ausprobieren</OpenPlaygroundButton>
- [`START_WIEDERHERST_LB`](/en/api/202604/ausloeser-nb/start-wiederherst-lb) <OpenPlaygroundButton server={"https://api.macoapp.de"} url={"/inbound"} method={"post"} defaultBody={"{\n  \"stammdaten\": {\n    \"MARKTLOKATION\": [\n      {\n        \"marktlokationsId\": \"<marktlokationsId>\"\n      }\n    ],\n    \"STATUSMITTEILUNG\": [\n      {\n        \"positionsdaten\": [\n          \"<positionsdaten>\"\n        ]\n      }\n    ]\n  },\n  \"transaktionsdaten\": {\n    \"absender\": {\n      \"rollencodenummer\": \"<rollencodenummer>\"\n    },\n    \"empfaenger\": {\n      \"rollencodenummer\": \"<rollencodenummer>\"\n    },\n    \"fertigstellungsdatum\": \"<fertigstellungsdatum>\",\n    \"sparte\": \"<sparte: STROM | GAS | FERNWAERME | NAHWAERME | WASSER | ABWASSER>\"\n  },\n  \"zusatzdaten\": {\n    \"eventname\": \"START_WIEDERHERST_LB\",\n    \"prozessId\": \"<prozessId>\"\n  }\n}"} security={[{"bearer": []}]}>Ausprobieren</OpenPlaygroundButton>

The backend triggers this step with one of these events.

</li>

<li data-teil="lesen" data-stufe="verarbeitung">

**Load data for processing**
- [Read market location](/en/api/202604/backend-lesen/getmarketlocationbasic#marktlokation-lesen) `GET /getMarketLocationBasic` <OpenPlaygroundButton server={"https://mock.macoapp.de"} url={"/getMarketLocationBasic"} method={"get"} queryParams={[{"name": "parameter1", "isRequired": true, "defaultValue": "74018657187", "defaultActive": true, "type": "string"}, {"name": "parameter2", "isRequired": false, "defaultValue": "MALO", "enum": ["MALO", "MELO", "NELO", "TECHNISCHE_RESSOURCE", "STEUERBARE_RESOURCE", "TRANCHE"], "type": "string"}, {"name": "parameter3", "isRequired": true, "defaultValue": "2024-06-28T12:18:00Z", "defaultActive": true, "type": "string"}, {"name": "parameter4", "isRequired": false, "defaultValue": "2024-06-28T12:18:00Z", "type": "string"}, {"name": "command", "isRequired": false, "defaultValue": "SAP_LESEN_MARKTLOKATION_BASIS", "type": "string"}]} security={[{"bearer": []}]}>Try it</OpenPlaygroundButton>
- `LESEN_STATUSMITTEILUNG_BASIS`

</li>

<li data-teil="nachricht">

Message to **MSB** · AS4

</li>

<li data-teil="schnittstelle" data-art="fortschreiben">

**Write endpoint**
- Transaction updated — [Update process data](/en/api/202604/backend-schreiben-nb/updateprocessdata#prozessdaten-aktualiseren) `POST /updateProcessData` <OpenPlaygroundButton server={"https://mock.macoapp.de"} url={"/updateProcessData"} method={"post"} queryParams={[{"name": "command", "isRequired": true, "defaultValue": "AKTUALISIEREN_PROZESSDATEN", "defaultActive": true, "type": "string"}]} defaultBody={"{\n  \"stammdaten\": {\n    \"MARKTLOKATION\": [\n      {\n        \"boTyp\": \"MARKTLOKATION\",\n        \"marktlokationsId\": \"50074561188\",\n        \"sparte\": \"STROM\",\n        \"versionStruktur\": \"1\"\n      }\n    ],\n    \"STATUSMITTEILUNG\": [\n      {\n        \"auftragsstatus\": \"GEPLANT\",\n        \"boTyp\": \"STATUSMITTEILUNG\",\n        \"positionsdaten\": [\n          {\n            \"positionsnummer\": 1\n          }\n        ],\n        \"statusObjekt\": \"ENTSPERREN\",\n        \"versionStruktur\": \"1\"\n      }\n    ]\n  },\n  \"transaktionsdaten\": {\n    \"absender\": {\n      \"boTyp\": \"MARKTTEILNEHMER\",\n      \"rollencodenummer\": \"9904446000007\",\n      \"rollencodetyp\": \"BDEW\",\n      \"versionStruktur\": \"1\"\n    },\n    \"datenaustauschreferenz\": \"M0LHLLFR\",\n    \"dokumentennummer\": \"BGMM082SZX0\",\n    \"empfaenger\": {\n      \"boTyp\": \"MARKTTEILNEHMER\",\n      \"rollencodenummer\": \"9900321000005\",\n      \"rollencodetyp\": \"BDEW\",\n      \"versionStruktur\": \"1\"\n    },\n    \"fertigstellungsdatum\": \"2025-05-31T22:00:00Z\",\n    \"kategorie\": \"Z33\",\n    \"nachrichtendatum\": \"2025-04-04T12:00:00Z\",\n    \"nachrichtenreferenznummer\": \"UNHM0JD81TP\",\n    \"pruefidentifikator\": \"21040\",\n    \"sparte\": \"STROM\"\n  },\n  \"zusatzdaten\": {}\n}"} security={[{"bearer": []}]}>Try it out</OpenPlaygroundButton>

Updates the existing transaction in the backend once the message has been created.

</li>

</ol>
</Stepper>

</div>

</Schritt>

<Schritt nr="2" anker="schritt-2" richtung="ausgehend" kopf={{"links": {"label": "NB", "eigen": true}, "rechts": {"label": "MSB"}}}>

### Result of the reconnection order

<Schrittskizze sicht={{"label": "NB"}} zeilen={[{"art": "ausloeser", "werte": ["START_AUFTRAGSSTATUS", "START_WIEDERHERST_LB"]}, {"art": "lesen_verarbeitung", "schnittstellen": [{"label": "Read market location"}, {"label": "LESEN_STATUSMITTEILUNG_BASIS"}]}, {"art": "senden", "label": "MSB", "weg": "AS4", "nachrichten": [{"nr": "21039", "titel": "Order status (disconnect)"}]}, {"art": "fortschreiben"}]} />

<div data-teil="pruefis">

**Check identifiers**
- [21039](/en/schnittstellen/202604/pruefi/IFTSTA/PI_21039) — Order status (disconnect) · AS4

</div>

**Flow**

<div data-ablauf>

<Stepper>
<ol>

<li data-teil="ausloeser">

**Process trigger**
- [`START_AUFTRAGSSTATUS`](/en/api/202604/ausloeser-nb/start-auftragsstatus) <OpenPlaygroundButton server={"https://api.macoapp.de"} url={"/inbound"} method={"post"} defaultBody={"{\n  \"stammdaten\": {\n    \"MARKTLOKATION\": [\n      {\n        \"marktlokationsId\": \"<marktlokationsId>\"\n      }\n    ],\n    \"STATUSMITTEILUNG\": [\n      {\n        \"positionsdaten\": [\n          \"<positionsdaten>\"\n        ]\n      }\n    ]\n  },\n  \"transaktionsdaten\": {\n    \"absender\": {\n      \"rollencodenummer\": \"<rollencodenummer>\"\n    },\n    \"antwortstatus\": \"<antwortstatus>\",\n    \"antwortstatusCodeliste\": \"<antwortstatusCodeliste>\",\n    \"empfaenger\": {\n      \"rollencodenummer\": \"<rollencodenummer>\"\n    },\n    \"fertigstellungsdatum\": \"<fertigstellungsdatum>\",\n    \"sparte\": \"<sparte: STROM | GAS | FERNWAERME | NAHWAERME | WASSER | ABWASSER>\"\n  },\n  \"zusatzdaten\": {\n    \"eventname\": \"START_AUFTRAGSSTATUS\",\n    \"prozessId\": \"<prozessId>\"\n  }\n}"} security={[{"bearer": []}]}>Ausprobieren</OpenPlaygroundButton>
- [`START_WIEDERHERST_LB`](/en/api/202604/ausloeser-nb/start-wiederherst-lb) <OpenPlaygroundButton server={"https://api.macoapp.de"} url={"/inbound"} method={"post"} defaultBody={"{\n  \"stammdaten\": {\n    \"MARKTLOKATION\": [\n      {\n        \"marktlokationsId\": \"<marktlokationsId>\"\n      }\n    ],\n    \"STATUSMITTEILUNG\": [\n      {\n        \"positionsdaten\": [\n          \"<positionsdaten>\"\n        ]\n      }\n    ]\n  },\n  \"transaktionsdaten\": {\n    \"absender\": {\n      \"rollencodenummer\": \"<rollencodenummer>\"\n    },\n    \"empfaenger\": {\n      \"rollencodenummer\": \"<rollencodenummer>\"\n    },\n    \"fertigstellungsdatum\": \"<fertigstellungsdatum>\",\n    \"sparte\": \"<sparte: STROM | GAS | FERNWAERME | NAHWAERME | WASSER | ABWASSER>\"\n  },\n  \"zusatzdaten\": {\n    \"eventname\": \"START_WIEDERHERST_LB\",\n    \"prozessId\": \"<prozessId>\"\n  }\n}"} security={[{"bearer": []}]}>Ausprobieren</OpenPlaygroundButton>

The backend triggers this step with one of these events.

</li>

<li data-teil="lesen" data-stufe="verarbeitung">

**Load data for processing**
- [Read market location](/en/api/202604/backend-lesen/getmarketlocationbasic#marktlokation-lesen) `GET /getMarketLocationBasic` <OpenPlaygroundButton server={"https://mock.macoapp.de"} url={"/getMarketLocationBasic"} method={"get"} queryParams={[{"name": "parameter1", "isRequired": true, "defaultValue": "74018657187", "defaultActive": true, "type": "string"}, {"name": "parameter2", "isRequired": false, "defaultValue": "MALO", "enum": ["MALO", "MELO", "NELO", "TECHNISCHE_RESSOURCE", "STEUERBARE_RESOURCE", "TRANCHE"], "type": "string"}, {"name": "parameter3", "isRequired": true, "defaultValue": "2024-06-28T12:18:00Z", "defaultActive": true, "type": "string"}, {"name": "parameter4", "isRequired": false, "defaultValue": "2024-06-28T12:18:00Z", "type": "string"}, {"name": "command", "isRequired": false, "defaultValue": "SAP_LESEN_MARKTLOKATION_BASIS", "type": "string"}]} security={[{"bearer": []}]}>Try it</OpenPlaygroundButton>
- `LESEN_STATUSMITTEILUNG_BASIS`

</li>

<li data-teil="nachricht">

Message to **MSB** · AS4

<div data-teil="antwortbaum">

**Response per decision tree**
- `21039` → [E_1020](/en/referenz/202604/ebd/E_1020) · NB · Check whether the reconnection order was successful (Based on electricity EBD: E_0487_Check whether the reconnection order was successful)

</div>

</li>

<li data-teil="schnittstelle" data-art="fortschreiben">

**Write endpoint**
- Transaction updated — [Update process data](/en/api/202604/backend-schreiben-nb/updateprocessdata#prozessdaten-aktualiseren) `POST /updateProcessData` <OpenPlaygroundButton server={"https://mock.macoapp.de"} url={"/updateProcessData"} method={"post"} queryParams={[{"name": "command", "isRequired": true, "defaultValue": "AKTUALISIEREN_PROZESSDATEN", "defaultActive": true, "type": "string"}]} defaultBody={"{\n  \"stammdaten\": {\n    \"MARKTLOKATION\": [\n      {\n        \"boTyp\": \"MARKTLOKATION\",\n        \"marktlokationsId\": \"50074561188\",\n        \"sparte\": \"STROM\",\n        \"versionStruktur\": \"1\"\n      }\n    ],\n    \"STATUSMITTEILUNG\": [\n      {\n        \"auftragsstatus\": \"GESCHEITERT\",\n        \"boTyp\": \"STATUSMITTEILUNG\",\n        \"positionsdaten\": [\n          {\n            \"positionsnummer\": 1\n          }\n        ],\n        \"statusObjekt\": \"SPERREN\",\n        \"versionStruktur\": \"1\"\n      }\n    ]\n  },\n  \"transaktionsdaten\": {\n    \"absender\": {\n      \"boTyp\": \"MARKTTEILNEHMER\",\n      \"rollencodenummer\": \"9900321000005\",\n      \"rollencodetyp\": \"BDEW\",\n      \"versionStruktur\": \"1\"\n    },\n    \"antwortstatus\": \"A08\",\n    \"antwortstatusCodeliste\": \"E_0472\",\n    \"datenaustauschreferenz\": \"M0U0RBFQ\",\n    \"dokumentennummer\": \"BGMM0DYSASC\",\n    \"empfaenger\": {\n      \"boTyp\": \"MARKTTEILNEHMER\",\n      \"marktrolle\": \"LF\",\n      \"rollencodenummer\": \"9903790000002\",\n      \"rollencodetyp\": \"BDEW\",\n      \"versionStruktur\": \"1\"\n    },\n    \"kategorie\": \"Z33\",\n    \"nachrichtendatum\": \"2025-04-04T12:00:00Z\",\n    \"nachrichtenreferenznummer\": \"UNHM05ZEKIV\",\n    \"pruefidentifikator\": \"21039\",\n    \"sparte\": \"STROM\"\n  },\n  \"zusatzdaten\": {}\n}"} security={[{"bearer": []}]}>Try it out</OpenPlaygroundButton>

Updates the existing transaction in the backend once the message has been created.

</li>

</ol>
</Stepper>

</div>

</Schritt>

<details>
<summary>Decision trees of this process</summary>

| EBD | Name |
|---|---|
| [E_1020](/referenz/202604/ebd/E_1020) | Check whether the reconnection order was successful (Based on electricity EBD: E_0487_Check whether the reconnection order was successful) |

</details>

<a id="abschnitt-informationen"></a>

## Process information

<Stepper>
<ol>

<li data-blatt="anlass">

### Trigger

**Runs beforehand:** [Start of supply](/en/prozessdoku/202604/NB/GPKE-Teil2-lieferbeginn) — these processes name the one shown here in their result.

</li>

<li data-blatt="erste-nachricht">

### First message

The party involved on this page is itself the sender of: „Information on reconnection order“ to **MSB** (step 1).

</li>

</ol>
</Stepper>

<a id="abschnitt-sichten"></a>

## Other views of the process

The same process through the eyes of the other parties involved: the same steps, each read from their point of view.

- [View MSB](/en/prozessdoku/202604/MSB/awh-sperrprozesse-gas-wiederherstellung-der-anschlussnutzung-bei-lieferbeginn) — MSB

<Hinweisbereich>

*The source provides no use case profile for this process — objective, precondition and result are not recorded there.*

*The steps are the **possible** messages of this process, not a sequence — the source lists neither conditions nor alternatives. The small box on the step names the own view on the left: with **←** it receives, with **→** it sends. Collapsed steps run between other market partners.*

:::caution{title="Step sequence reconstructed"}

For this process, the BNetzA consolidated version carries no sequence diagram. The steps are reconstructed from the BDEW check identifier table: grouped by the designation, ordered by the process step. The method agrees with the consolidated version in 200 of 200 cases that can be cross-checked — the individual line is nevertheless not editorially reviewed. Check it against the rulebook before adopting it into an implementation specification.

:::

These read accesses are not listed in the API catalogue of this format version; the step therefore shows only their command, without address and without button.

Applies to: [1](#schritt-1), [2](#schritt-2)

</Hinweisbereich>
