NINO verification request will verify the number given by the employee is correct, if it matches to personal data provided by the employee. NINO verification is not for those who are under 16 years old or some who are not yet been allocated NINO.
Road Map - To E-file the NVR to HMRC
E-Filing RTI -> E-file RTI FPS, EPS, NVR, YTD FPS -> NVR (NINO Verification Request) link -> Verify Selected button -> Continue button -> Confirm button -> Live E-filing button
( 'E-Filing RTI' is the button positioned in the tasking zone menu at the top. It is the third button from the left)