Mawthooq (opens in a new tab)
The General Authority for Media Regulation's licence for individuals who provide advertising content on social media. Its page lists the conditions, such as being 18 or over and proving you own the accounts, and links to the portal where you apply.
Our takeCheck it before any paid creator work in Saudi Arabia: ask each creator for their Mawthooq licence before you contract, and keep a copy with the campaign paperwork.