N is the number of days in the period for which registration is sought. This total is determined by counting the first day of the registration period and including the last
MAIB is the MAIB premium for 12 months
Split is the calculated split of the MAIB premium
S is the surcharge % on the split MAIB premium - 3% for 6 monthly and 6% for 3 monthly
MAIBF is the periodic MAIB fee.
* Divide by 366 if the 29th February falls in period.