What is the authorization called that allows a developer to sell timeshares?

The appropriate term that allows a developer to sell timeshares is known as a "registration certificate." This authorization is essential for developers because it signifies that they have complied with specific regulations and requirements set forth by the governing authorities. The process of obtaining this certificate typically involves submitting detailed documentation about the timeshare product, including disclosures about the property, financial obligations, and any other relevant information that potential buyers need to make informed decisions.

Having a registration certificate ensures that the developer operates within the legal framework and protects consumers by ensuring they have access to critical information about their investment. In the context of timeshare sales, this regulation plays a crucial role in maintaining industry standards and fostering trust between sellers and buyers.

Other terms listed, such as sales permit or operating license, do not specifically refer to the formal authorization needed for timeshare sales, as they pertain to different aspects of business operations or permits not exclusive to timeshare transactions. Thus, the registration certificate is the correct and most appropriate term in this instance.