How to Generate RRR Code to Pay CAC or Other Federal Government Bills admin April 7, 2017 3:34 pm How to pay Nigeria Social Insurance Trust Fund Fee Visit the right URL: http://www.nsitf.gov.ng/ Type in the fee Generate RRR code Invoice Copy RRR code number NSITF = Nigeria Social Insurance Trust Fund Category: CAC/ Company Registration, NiPex Contracts & Requuirements, Oil and Gas Business in Nigeria