In accordance with subsection 69.2.1, where an employee is entitled to an allowance for less than a complete calendar month, the allowance shall be calculated using the following methodology:
R x E
C
wherein:
R is the annual rate of allowance,
C is 260.88 days, the number of compensation days in a year, and
E is the total number of days of entitlement in that month, including:
(a) each compensation day on which the employee is on duty or on authorized leave with pay; and
(b) each day authorized by competent authority as a general holiday with pay, unless it falls within a period of leave without pay or immediately precedes the first day of employment or immediately follows the last day of employment.