s 49 Occupier may execute work where owner defaults in execution of work
49.—(1) Whenever default is made by an owner of any premises in the execution of any work required under this Act to be executed by the owner, an occupier of the premises may, with the approval of the Board, cause the work to be executed. (2) The expense of the work executed under subsection (1) must be paid to the occupier by the owner of the premises or the amount may be deducted out of the rent from time to time becoming due from the occupier to the owner, and the occupier may, in the absence of any special agreement to the contrary, retain possession until that expense has been fully reimbursed to the occupier.