note: bezahlcode encoding changed slightly due to actually url-encoding all parameters (comma is now encoded as %2C). i tested with ING app, it accepts both.
before: 'bank://singlepaymentsepa?name=Verein%20f%C3%BCr%20Testzwecke%20e.V.&iban=DE37796500000069799047&bic=BYLADEM1MIL&amount=123,00&reason=TESTVERANST-12345¤cy=EUR'
after: 'bank://singlepaymentsepa?name=Verein%20f%C3%BCr%20Testzwecke%20e.V.&iban=DE37796500000069799047&bic=BYLADEM1MIL&amount=123%2C00&reason=TESTVERANST-12345¤cy=EUR'