12. In determining the total time spent in exercising official controls, any time spent by an inspector–
(a)in travelling to or from premises at which that person exercises official controls and for which that person is paid under a contract of employment or contract for services;
(b)at any premises to which that person has gone for the purpose of exercising official controls and for which that person is paid under a contract of employment or contract for services (regardless of whether or not that person is able to exercise official controls there); and
(c)at any other place–
(i)when that person is available for exercising official controls but is not in fact exercising any such controls, and
(ii)for which payment is made under that person’s contract of employment or contract for services,
shall be counted as if it were time when the inspector was exercising official controls.