Have a look at the Ontatio Limitations Act, 2002 ... SOL renewal doesn't happen unless the debts are acknowledged in writting. This topic has been discussed many times on this site.
S.O. 2002, CHAPTER 24
Schedule B
http://www.e-laws.gov.on.ca/html/statutes/english/elaws_statutes_02l24_e.htm
Acknowledgments
13. (1) If a person acknowledges liability in respect of a claim for payment of a liquidated sum, the recovery of personal property, the enforcement of a charge on personal property or relief from enforcement of a charge on personal property, the act or omission on which the claim is based shall be deemed to have taken place on the day on which the acknowledgment was made. 2002, c. 24, Sched. B, s. 13 (1).
(10) Subsections (1), (2), (3), (6) and (7) do not apply unless the acknowledgment is in writing and signed by the person making it or the person’s agent. 2002, c. 24, Sched. B, s. 13 (10).
=>
UNLESS <=
(11) In the case of a claim for payment of a liquidated sum, part payment of the sum by the person against whom the claim is made or by the person’s agent has the same effect as the acknowledgment referred to in subsection (10). 2002, c. 24, Sched. B, s. 13 (11).