It's often common to have several areas blank on your NIF document - if that's the case, don't be scared, your NIF remains valid and it won't affect how you use it or your taxes.Related ArticlesWhat document can I use as a Proof of Address?What documents do I need to apply for a NIF?Where can I find my NIF number?There is an issue in my NIF, will there be a problem?What's on my birth certificate?