You may need to submit form P11D(b) to report the amount of Class 1A National Insurance due on all the expenses and benefits you’ve provided. You should do this if:
you’ve submitted any P11D forms
you’ve been sent a P11D(b) form by HMRC
If you don’t submit any P11D forms, you can tell HMRC that you don’t owe Class 1A National Insurance by completing a declaration.
Due by 6th July 2015.
As an employer, you can apply for a dispensation on some expenses and benefits you provide for your employees. This means you won’t need to report them to HM Revenue and Customs or pay tax or National Insurance on them. Here is a link to apply for Dispensations.
There are also Benchmark Scale Rates which can be paid tax free, alternative you can claim the actual costs