Queensland Consolidated RegulationsFor the purposes of section 138(4) of the Code, the manner of calculating the proportionate rebate of premium is by applying the following formula--
T (T+1)
where--
Y is the amount of the rebate of premium.
P is the amount of the premium paid (not including any amount payable in respect of a government charge).
S is the number of whole months in the unexpired portion of the period for which insurance was agreed to be provided.
T is the number of whole months for which insurance was agreed to be provided.