INCOME TAX ACT 1967 (ACT 53) PART III - ASCERTAINMENT OF CHARGEABLE INCOME Chapter 7- Chargeable income
Section 51. Deduction must be claimed.
Notwithstanding sections 47 to 50, no deduction shall be allowed under those sections in ascertaining the chargeable income of an individual for a year of assessment unless a claim has been made for that year for the deduction or for a deduction of a larger or smaller amount in respect of the same subject matter.