 Section 95 of the Road Traffic Act 1988 requires every insurer dealing with compulsory motor insurance to belong to the MIB and to contribute to its funding.According to the MIB's website's FAQ section, the cost of funding the MIB is ultimately borne by law-abiding motorists who pay their insurance premiums.The offices are near the junction of the A422 ("Monks Way") and B4034 ("Marlborough Street") in Linford Wood, Milton Keynes.