1. Rosa is a landlord who served a notice of termination on her tenant Marco in February for non-payment of rent. Rosa filed an application at the Landlord and Tenant Board (LTB) because Marco did nothing to void the notice. At the hearing for non-payment of rent on March 12, 2022, Rosa and Marco reached anagreement with the assistance of a LTB mediator.

The agreement provided that Marco would pay his full rent of $2400.00 on or before April 1, 2022 and that he would also make an arrears payment of $1000.00 to Rosa on or before April 15, 2022. Marco was pleased that his tenancy was not terminated. Marco did not make any arrears payment on or before April 15, 2022. Assume it is now April 16, 2022. Referring to all relevant provisions of theResidential Tenancies Act, explain what Rosa should do to terminate Marco's tenancy as soon as possible, and by when she must do it.