Pay the bill to avoid any further issues with the utility company. As of September 1, 2021, landlords can file an application for failure to comply with the utility costs with the LTB within one year from the date the tenant is no longer in possession of the rental unit. The tenant must have moved out of the rental unit on or after September 1, 2021. The prescribed form is available on the LTB website at http://tribunalsontario.ca/ltb/forms/.