## Residuary Expenses — Section 37
### Idea
Section 37 is the catch-all deduction. If a business expense is not specifically covered by Sections 30 to 36, it may still be deductible under Section 37 — provided it passes the general tests.
### Conditions for allowance
The expenditure must be:
- Not already covered under Sections 30–36;
- Wholly and exclusively for business/profession purposes;
- Not personal and not capital in nature;
- Incurred after the business is set up.
### Express disallowances
- Provisions/reserves for contingent liabilities — not allowed.
- Expenses related to offences or prohibited acts (e.g., bribes) — not allowed.
- Expenditure to settle proceedings for contraventions under SEBI, SCRA, Depositories Act, Competition Act — not allowed.
- Business losses (embezzlement, theft, destruction of assets) — not allowed under S.37 (these are dealt with elsewhere).
- Reasonableness is irrelevant — the A.O. cannot disallow merely because the expense seems high (except under 40A(2)).
### Key clarifications
- Keyman insurance premium on a policy taken by the firm in the name of a partner → allowed (Circular 38/2016).
- Freebies to doctors by pharma companies → not allowed (prohibited under IMC Regulations).
- CSR expenditure (S.135 Companies Act) → not allowed as a deduction. However, contributions referred to in Section 35 are allowed.
- Advertisement in a souvenir/brochure/tract published by a political party → not allowed u/s 37(2B). For companies, it is treated as a contribution to a political party and allowed instead under Section 80GGB.