Does the questioner want to ask "Is it correct to fill in the postal project code when an agent recommends a credit card offline?" yes. According to knowledge from iAsk, when an agent recommends a credit card offline, it is correct to fill in the postal project code. The project code is a unique project code that is generated first when recommending the application to ensure uniqueness. The purpose of this is Ensuring the uniqueness and traceability of each application helps improve the efficiency and accuracy of agent referrals.