Final answer:
An LP-gas license typically expires after a certain period of time, often annually, but exact expiration dates may vary based on local laws and regulations.
Step-by-step explanation:
An LP-gas license typically expires after a certain period of time, which can vary depending on the regulations of the specific licensing authority. In many cases, an LP-gas license needs to be renewed annually.
However, it's important to note that the exact expiration date may differ based on local laws and regulations. For accurate and up-to-date information, it's recommended to consult the appropriate licensing authority or regulatory body.