(1) For the purposes of paragraph (a) of subsection (1) of section 22 of the Act, the salary of an employee who is paid salary at a rate other than an annual rate of salary shall be ascertained, for the purposes of Division 2 of Part III of the Act, by multiplying the weekly rate of salary of the employee by 52.
(2) In ascertaining the salary of an employee to whom the last preceding subregulation applies:
(a) subject to the next succeeding paragraph, if the employee is not receiving remuneration at the maximum rate applicable to his office or position, he shall be deemed to be receiving remuneration at that maximum rate; and
(b) if the employee has not attained the age of twenty-one years and occupies an office or position in respect of which the remuneration varies according to the age of the occupant, the last preceding paragraph does not apply, but, in the case of such an employee who has not attained the age of twenty years, he shall be deemed to be receiving remuneration at the rate that would be applicable to him if he had attained the age of twenty years.