Different documents have different time limits for stamping. Here are some time limits for some common documents:
| Nature of document | Time limit (within __ after the date of execution) |
| Conveyance on sale (including deed of gift) | 30 days |
| Lease | 30 days |
| Contract note for purchase or sale of Hong kong stock | 2 days (if effected in Hong Kong) 30 days (if effected elsewhere) |
| Instrument of Transfer of Hong Kong stock | Before the date of execution (if executed in Hong Kong)30 days (if executed outside Hong Kong) |
| Gift of Hong Kong stock | 7 days (if executed in Hong Kong)30 days (if executed outside Hong Kong) |
Extracted from Time Limit for Stamping: https://www.gov.hk/en/residents/taxes/stamp/time_limit_for_stamping.htm