NIM33621 - Persons going to and coming from abroad: Paying voluntary NICs - Coming from countries not covered by the EC Regulations or a RA: Conditions for voluntary Class 2 NICs and Class 3 NICs
A self-employed person who is not liable to pay Class 2 NICs may pay voluntary Class 2 or Class 3 NICs for each week they are self-employed until they become liable. The residency conditions for payment of voluntary Class 3 NICs are given in NIM25002.