CA Civ Code Section 8556

A stop payment notice ceases to be effective, and a person withholding funds pursuant to the notice shall release them, in either of the following circumstances:

(a)

An action to enforce payment of the claim stated in the stop payment notice is dismissed, unless expressly stated to be without prejudice.

(b)

Judgment in an action to enforce payment of the claim stated in the stop payment notice is against the claimant.