And just announced on Twitter @SCJOntario_en

On Tuesday March 17, 2020, Ontario Superior Court of Justice operations will be suspended until further notice. Only urgent public health & safety matters, and urgent civil, family and criminal matters will be heard. Details to be posted tonight at https://ontariocourts.ca/scj/

Due to COVID-19, all sittings of the Small Claims Court in Ontario are cancelled effective March 16, 2020 & until further notice. Plaintiffs w/ approaching limitation periods may file claims online at https://ontario.ca/page/file-small-claims-online. Notice to be posted on SCJ website on Monday.