bankowi

In a sentence

• Na kolejnym spotkaniu podarowaliśmy dokumenty bankowi.

  In the next meeting, we handed the documents to the bank.

  Here, 'bankowi' is used in its dative form to indicate the indirect object—who receives the documents, the bank itself.

• Uważam, że powinniśmy przyjrzeć się dokładniej opinii bankowi.

  I believe that we should examine the opinion addressed to the bank more carefully.

  In this case, 'bankowi' is again in the dative form, showing possession or association related to the bank's opinion.

• Bankowi udzielono zgody na przeprowadzenie transakcji.

  Permission was granted to the bank to conduct the transaction.

  Now here, 'bankowi' refers to the beneficiary of the granted permission. It identifies the entity receiving the approval in the sentence.