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IDProjectCategoryView StatusLast Update
0010703Talerdeployment and operationspublic2026-09-19 14:41
Reportervecirex Assigned ToFlorian Dold Resolution deadline
ImplementerReviewer 
Release signed byDeployed by 
VerifierCommunicator 
Data protection authority notification requiredNo  
CSIRT notification requiredNo  
Estimated effort (hours)Actual effort (hours)0 
Fast-trackNo
Work packagenone
PriorityhighSeveritytrivialReproducibilityhave not tried
Status closedResolutionno change required 
Target Version1.6Fixed in Version1.6 
Summary0010703: Test reusing same IBAN on new taler-merchant installation
DescriptionWhile on taler.hacktivism.ch, issues were observed using the same IBAN for different shops, from issues with "no kyc required" notes appearing to the account being listed, but not usable to create orders, it shall be checked if this is an install-/domain-wide issue only, that is, depending on where the taler merchant instance of that shop resides or if an IBAN must be globally (global for the TOPS/CHF exchange) unique and only used by one shop only for such a bank account to be configured in a workable condition.
Additional InformationNot a blocker for 0010630: if someone attempts this, we can easily say it's not yet (well) tested. It's (for me) not clear if this shall even be a feature. In any case, an exchange operator might decide to allow or disallow this.

As for what concerns using the same IBAN for two shops:

This may or may not be a good idea; but it cannot be excluded to be attempted, e.g., for couples with one account and different services a/o goods offered, using thus distinct shops or even just one person using the same IBAN for various shops, which that person wants to be distinct; in CH at least for smaller shops, this can be done for sure, as it's also not strictly necessary to found a company to sell services a/o goods; cf. "Einfache Gesellchaft": https://www.kmu.admin.ch/kmu/de/home/praktisches-wissen/kmu-gruenden/firmengruendung/auswahl-rechtsform/einfache-gesellschaft.html

A probable simple case thus will certainly be, a person with just one personal IBAN also uses that for (smaller) commercial purposes in multiple ways, generating some (additional) income streams.
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related to 0010811 closedChristian Grothoff Test case: try to not use an IBAN anymore, deleting a bank account or the whole instance; can IBAN be reclaimed? [20min] 

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Florian Dold

2026-09-11 10:09

manager   ~0029945

There are multiple integration tests for this now, seems to be well tested and issue seems to be stale.

Issue History

Date ModifiedUsernameFieldChange
2025-12-02 19:48vecirexNew Issue
2025-12-02 19:49vecirexRelationship addedparent of 0010702
2025-12-03 14:22vecirexRelationship deletedparent of 0010702
2026-02-16 22:53Christian GrothoffRelationship addedrelated to 0010811
2026-02-16 22:54Christian GrothoffPrioritylow => high
2026-02-16 22:54Christian GrothoffStatusnew => implementing
2026-08-29 19:43Florian DoldTarget Version => 1.7
2026-09-11 10:09Florian DoldAssigned To => Florian Dold
2026-09-11 10:09Florian DoldStatusimplementing => informing
2026-09-11 10:09Florian DoldResolutionopen => no change required
2026-09-11 10:09Florian DoldNote Added: 0029945
2026-09-16 07:56vecirexStatusinforming => closed
2026-09-19 14:41Christian GrothoffFixed in Version => 1.6
2026-09-19 14:41Christian GrothoffTarget Version1.7 => 1.6