Six years at once
A referred client is not one transaction. The first engagement reaches back six closed years at once, usually the largest single claim that client will ever have.
After it, life continues to qualify them: the next child, the next job change, the continuing private deposits. Each future closed year can hold a new difference.
Cadence and scope, in writing
The cadence of repeat reviews, and the scope of your share across them, are set in the partnership agreement. In writing, like everything else on this page.
If you are an independent insurance agent, the full picture is on the Partnership page, written from your chair.