Indian Stamp Act, 1899
Section 37: Admission of improperly stamped instruments
[The [State Government]] may make rules providing that, where an instrument bears a stamp of sufficient amount but of improper description, it may, on payment of the duty with which the same is chargeable, be certified to be duly stamped, and any instrument so certified shall then be deemed to have been duly stamped as from the date of its execution.
Source: India Code (indiacode.gov.in), the consolidated text published by the Legislative Department, Government of India. Text as updated on India Code on 15 October 2026. Words in square brackets [ ] were inserted or substituted by later amending Acts, and *** marks words omitted by an amendment. The amendment footnotes are not reproduced here. Official text on India Code.