Dolibarr enforces the use of IBAN. How to disable?

Using my Dolibarr CRM/SRM Modules
, ,
4

This manual fix (I tested it) will work.

Edit the file and then add a constant in
Home > Other Setup
Set:
MAIN_IBAN_NOT_MANDATORY
Value:
1

Works fine on v14.0.3. Please comment if it works on your version.