Section 66
Buildings which on the date of commencement of this
Ordinance have been erected, or in the course of being erected or have not been erected but plans have been submitted and approved, and which according to the Building Regulations contained in the Fourth
Schedule fall within the classification of place of assembly, shop, office, other residential buildings exceeding 18.5 metres and buildings which are classified as hazardous or special risks shall be modified or altered to comply with fire requirements, fire alarms, fire detection, fire extinguishment and fire fighting access as may be required within—
(a)
one year from the date of commencement of this
Ordinance, in the case of buildings up to three storeys; and
(b)
three years from the date of commencement of this
Ordinance, in the case of buildings exceeding three storeys.
Power of local authority to extend period, etc., specified in section 66.