Section 321: Ordinary annual contributions
Ordinary annual contributions.
321. The ordinary annual contribution by the employer to a fund shall be made on a reasonable basis, as may be approved by the approving authority, having regard to the length of service of each employee concerned, but such contribution shall not exceed 8⅓% of the salary of each employee during each year.
Source: official text of Income-tax Rules, 2026 as published on India Code (PDF). All sections of Income-tax Rules, 2026.