26. Apportionment of profits

Where in order to ascertain the profits or losses of any trade, business, profession, vocation or employment for any year of assessment or other period, it is necessary to divide and apportion in relation to specific periods the profits or losses for any period for which accounts have been made up, or to aggregate any such profits or losses or any apportioned parts thereof, it shall be lawful to make such division, apportionment or aggregation, as the case may be.

Any apportionment of the profits or losses for any period for which accounts have been made up shall be on the basis that such profits or losses accrued evenly over that period.