# Local rules and your first booking

Lesson 3 of [Backflow basics for property owners](https://backflowtesters.fyi/academy/backflow-basics-for-property-owners.md), 12 minutes.

Find the people who set the requirements Start with the water supplier for the service address. Ask for its cross-connection or backflow programme. Also ask which plumbing authority handles installation questions. Seattle's guidance shows why that distinction matters: it works with different plumbin…

The rest of this lesson is for learners enrolled in the course. [See how Backflow basics for property owners works](https://backflowtesters.fyi/academy/backflow-basics-for-property-owners.md).

Also on the [web page](https://backflowtesters.fyi/academy/backflow-basics-for-property-owners/local-rules-and-first-booking).