44. In ascertaining for the purposes of these regulations whether, and how far, the remuneration of alternative employment falls short of emoluments which have been lost where those emoluments were payable in respect of two or more part-time employments, the remuneration of the alternative employment or of the aggregate of two or more such employments shall be apportioned in the proportion which the emoluments of the part-time employments bore to each other.