# E_0443 — Check business data request for master data
Check business data request for master data
| Attribute | Value |
|---|---|
| Designation | Check business data request for master data |
| Market role | NB |
| Regulatory determination / chapter | GPKE |
| Section | 6.26.1: AD: Business data request from MSB to NB |
| Check identifiers | checked: [17132](/en/schnittstellen/202604/pruefi/ORDERS/PI_17132) · response: [19101](/en/schnittstellen/202604/pruefi/ORDRSP/PI_19101), [19104](/en/schnittstellen/202604/pruefi/ORDRSP/PI_19104) |
| EBD version | 4.2 |
| As at | 2026-06-23 |
## Decision tree
\nDecision tree E_0443: Geschäftsdatenanfrage zu Stammdaten prüfen\n\n\n\nE_0443\nGeschäftsdatenanfrage zu\nStammdaten prüfen\nChecking role: NB\n\nyes\n\nno\n\nyes\n\nno\n\nno\n\nyes\n\nyes\n\nno\n\nyes\n\nno\n\n\n10\nHandelt es sich um einen MSB aus\nder Sparte Gas?\n\n\n20\nIst der MSB im angefragten\nZeitraum der genannten\nMarktlokation, Messlokation bzw.\nTranche zugeordnet?\n\nStammdaten versenden\n\n\n30\nIst der MSB für den angefragten\nZeitraum z. B. aufgrund einer\nVollmacht berechtigt die\nangefragten Stammdaten zu\nerhalten?\n\n\nA01\nKeine Berechtigung\n\nStammdaten versenden\n\n\n40\nIst die genannte Adresse dem NB\nbekannt und ist an dieser Adresse\nein Stromanschluss vorhanden?\n\n\nA03\nAn der genannten Adresse betreibt\nder NB keinen Stromanschluss.\n\n\n50\nIst an der genannten Messlokation\nein iMS verbaut?\n\nStammdaten versenden\n\n\nA02\nKein iMS verbaut\n"} kapitel={"GPKE · 6.26.1: AD: Geschäftsdatenanfrage von MSB an NB"} name={"Geschäftsdatenanfrage zu Stammdaten prüfen"} bpmnFv="202604" bpmnCode="E_0443">
| Step | Check | Result | Code | Note |
|---|---|---|---|---|
| 10 | Is this a MSB from the gas division? | yes | → Step 40 | — |
| — | — | no | → Step 20 | — |
| 20 | Is the MSB assigned to the specified market location, metering location or tranche in the requested time period? | yes | End | Send master data |
| — | — | no | → Step 30 | — |
| 30 | Is the MSB entitled, e.g. on the basis of a power of attorney, to receive the requested master data for the requested time period? | no | A01 | No authorization |
| — | — | yes | End | Send master data |
| 40 | Is the specified address known to the NB and is there an electricity connection at this address? | yes | → Step 50 | — |
| — | — | no | A03 | The NB does not operate an electricity connection at the specified address. |
| 50 | Is a iMS installed at the stated metering location? | yes | End | Send master data |
| — | — | no | A02 | No iMS installed |
## Result codes
| Result code | Cluster | Meaning |
|---|---|---|
| `A01` | — | No authorization |
| `A03` | — | The NB does not operate an electricity connection at the specified address. |
| `A02` | — | No iMS installed |
*Role of the numbers: »response« are the check identifiers that list this tree in the ebd_code column of the check identifier table (knowledge-collection · FV 202604); »checked« is the difference set to it from the return path of the process steps.*
:::tip{title="Consistent with the generated process"}
All 3 result codes of the decision tree are contained in the generated process `E_0443.bpmn`.
:::