(a) The notice of hearing with respect to a claim or statement must be served in the manner specified in Sec. 185.108 within 6 years after the date on which such a claim or statement is made.
(b) If the defendant fails to file a timely answer, service of a notice under Sec. 185.110(b) shall be deemed a notice of hearing for purposes of this section.
(c) the statute of limitations may be executed by written agreement of the parties.