; and (B) confirmed by the housing management office of the installation as making the unit uninhabitable. (6) The landlord shall pay reasonable relocation costs and actual costs of living, including per diem, associated with the temporary relocation of a tenant to new housing due to health or environmental hazards— (A) present in the housing unit being vacated through no fault of the tenant; and (B) confirmed by the housing management office of the installation as making the unit uninhabitable. (7) The landlord shall ensure that the maintenance work order system of the landlord (hardware and software) is up to date, including by — (A) providing a reliable mechanism through which a tenant may submit work order requests through an Internet portal and mobile application, which shall incorporate the ability to upload photos, communicate with maintenance personnel, and rate individual service calls; (B) allowing real-time access to such system by officials of the Department at the installation, major subordinate command, and service-wide levels; and (C) allowing the work order or maintenance ticket to be closed only once the tenant and the head of the housing management office of the installation sign off. (b) Payment of actual costs of living The landlord shall pay actual costs of living under subsection (a)(6) in connection with a health or environmental hazard until such time as— (1) (A) the health or environmental hazard is remediated; (B) the housing unit being vacated is determined to be habitable by the tenant, the housing management office of the installation, and chain of command; and (C) the tenant resumes occupancy of the housing unit