The spelling depends largely on the regional dialect and the word's grammatical function:
To remember the British distinction, think of ICE (noun) and ISE (verb), similar to practice vs. practise or advice vs. advise . 2. Legal and Professional Applications licence
A clear distinction is made between the noun and the verb. Licence is the noun (a thing, like a permit), while license is the verb (the act of granting permission). The spelling depends largely on the regional dialect
A license provides authority to act in a way that would otherwise be illegal or considered a trespass. Licence conditions and recall — determinate sentences like a permit)
The spelling license is used for both the noun and the verb forms.