tenant-based assistance or project-based assistance for which the owner is undergoing or planning a substantial rehabilitation project, the owner shall ensure that, during that rehabilitation, not less than one carbon monoxide detector is installed per floor in each dwelling unit assisted in that property in accordance with standards and criteria acceptable to the Secretary for the protection of occupants in the dwelling unit. . (e) Additional funding There is authorized to be appropriated to carry out the amendments made by this Act $1,000,000 for each of fiscal years 2020 through 2029.