Bank account description getting truncated in Payment file

Summary:

We have reviewed the files shared with us, and below are our findings:

1. Not working scenario – Screenshot 1
   <Id>NL67BNPA02</Id><BankAccountNumber>NL67BNPA02</BankAccountNumber>

Query executed:
select * from IBY_EXT_BANK_ACCOUNTS where BANK_ACCOUNT_NUM='NL67BNPA0227655907'

2. Working scenario – Screenshot 2
<Id>FR7630004002740001000353258</Id><BankAccountNumber>FR7630004002740001000353258</BankAccountNumber>

Query executed:
select * from IBY_EXT_BANK_ACCOUNTS where BANK_ACCOUNT_NUM='FR7630004002740001000353258'

We are looking for a reason why the bank account is trunckated for one bank and other is getting full name.

Content (please ensure you mask any confidential information):

We are looking for a reason why the bank account is trunckated for one bank and other is getting full name.