Section 2(1)(f) in The Pension Fund Regulatory and Development Authority (Central Recordkeeping Agency) Regulations, 2015
(f)"Drawing and Disbursing Officer" means a Drawing and Disbursing Officer (DDO) under Central Government or similar offices under it or the State Governments or an autonomous body which shall interact with the Pay and Accounts offices(or equivalent offices) or the central recordkeeping agency on behalf of the subscribers for the purpose of the National Pension System;