New Delhi: Public sector lender Punjab National Bank (PNB) has asked its customers to update their Know Your Customer (KYC) information before December 18 to ensure the smooth functioning of their accounts, an official release said.

This applies to those PNB account holders, whose accounts had not been updated till September 30, it stated.

The KYC compliance exercise is in adherence to the Reserve Bank of India (RBI) guidelines.

"PNB customers are requested to provide their updated information, like identity proof, address proof, recent photo, PAN, income proof, mobile number (if not available), or any other KYC information, to their base branch," according to the release.

The update can be done through PNB One, Internet Banking Services (IBS), registered email or postal mail, or in-person visits to any branch by December 18.

Failure to update KYC details within the stipulated time may result in restrictions on account operations, the release added.