How long do I have to sue over debt collection on an account in Washington?
Answered for: Washington
(2) An action upon an account receivable. For purposes of this section, an account receivable is any obligation for payment incurred in the ordinary course of the claimant's business or profession, whether arising from one or more transactions and whether or not earned by performance.
The statute states 6 years for debt collection on an account. When that clock starts, and whether it can be paused, are separate questions this entry does not answer.
This answer is true in Washington and nowhere else on this site. Another jurisdiction is another answer, or an honest gap: see what has been read for Washington.