### Building (Ventilating Systems) Regulations 《建築物(通風系統)規例》

7. Existing ventilating systems
Where a ventilating system to which these regulations apply has been installed in any building before the commencement* of these regulations there shall be no requirement to comply with the provisions of regulation 4 unless and until—
(a) the ventilating system has been removed or is altered in any way; or
(b) the Director is of the opinion that the ventilating system constitutes a fire hazard.

Editorial Note:
* Commencement date: 23 October 1964.

### Buildings Ordinance 《建築物條例》

1. Short title
(1) This Ordinance may be cited as the Buildings Ordinance.
(2) This Ordinance shall apply to the New Territories in the manner provided by the Buildings Ordinance (Application to the New Territories) Ordinance (Cap. 121). (Replaced 60 of 1987 s. 14)

### Buildings Ordinance 《建築物條例》

2A. Designation of specialized works
(1) The Building Authority may designate any category of building works or street works as specialized works.
(2) The Building Authority shall notify in the Gazette a designation under subsection (1).
(3) The notification in subsection (2) is not subsidiary legislation.
(Addd 20 of 2008 s. 4)

3. Registers of authorized persons, structural engineers, geotechnical engineers and inspectors
(Amended 16 of 2011 s. 6)(1) The Building Authority shall keep a register (hereinafter referred to as the authorized persons’ register

### Buildings Ordinance 《建築物條例》

4A. Appointment of prescribed building professionals: minor works commenced or carried out without approval and consent
(1) This section applies to minor works—
(a) that are commenced or carried out without the approval and consent of the Building Authority under section 14(1); and
(b) in respect of which one or more prescribed building professionals are required to be appointed by the regulations.
(2) If minor works to which this section applies have been commenced or carried out and the person who arranged for the works to be commenced or carried out has knowingly failed to appoint the prescribed building professional or the prescribed building professionals (as the case may be) required by the regulations to be appointed in respect of the minor works concerned, that person commits an offence.
(3) For the purposes of subsection (2), a person who has appointed another person to arrange for the commencement or carrying out of minor works is not to be regarded as a person who arranged for the commencement or carrying out of minor works.
(4) Subject to subsection (5), if a prescribed building professional appointed in respect of the minor works to which this section applies is unable to act, whether by reason of the termination of his appointment or for any other reason, or is unwilling to act, a person other than a prescribed building professional required by the regulations to be appointed in respect of the minor works concerned shall not be appointed in his place.
(5) Where a prescribed building professional appointed in respect of the minor works to which this section applies is temporarily unable to act by reason of his illness or absence from Hong Kong, that prescribed building professional may nominate another prescribed building professional required by the regulations to be appointed in respect of the minor works concerned to act in his place for the period of such illness or absence.
(Added 20 of 2008 s. 7)

### Buildings Ordinance 《建築物條例》

4B. Duties of prescribed building professional appointed or nominated in respect of minor works commenced under simplified requirements
(1) A prescribed building professional appointed or nominated in respect of minor works commenced under the simplified requirements shall, in relation to the works, comply with the simplified requirements.
(2) Without affecting the generality of subsection (1), the prescribed building professional shall also—
(a) supervise in accordance with the supervision plan the carrying out of minor works commenced under the simplified requirements;
(b) supervise in the manner prescribed in the simplified requirements the carrying out of minor works commenced under the simplified requirements;
(c) notify the Building Authority of any contravention of the regulations which would result from the carrying out of any works shown in the plan required to be submitted to the Building Authority in respect of minor works commenced under the simplified requirements;
(d) ensure that—
(i) fire service installations or equipment in relation to minor works commenced under the simplified requirements are provided in accordance with the Code of Practice referred to in section 16(1)(b)(ii); and
(ii) the carrying out of minor works commenced under the simplified requirements does not result in the relevant minimum requirements under the Code not being complied with in respect of the fire service installations or equipment;
(e) ensure that the carrying out of minor works commenced under the simplified requirements would not contravene—
(i) any enactment; and
(ii) any approved plan or partly approved plan under the Town Planning Ordinance (Cap. 131) or any draft plan prepared under that Ordinance; (Replaced 25 of 2023 s. 106)
(f) if minor works commenced under the simplified requirements are carried out within a comprehensive development area of an approved plan or partly approved plan under the Town Planning Ordinance (Cap. 131) or a draft plan prepared under that Ordinance, ensure that the carrying out of the works would not contravene the master lay-out plan approved by the Town Planning Board under section 4A(2) of that Ordinance; and (Amended 25 of 2023 s. 106)
(g) comply generally with this Ordinance.
(Added 20 of 2008 s. 7)

### Buildings Ordinance 《建築物條例》

8E. Building Authority to give reasons
The Building Authority is required to give reasons in writing for a decision not to include, retain or restore a contractor’s name in a register at the time of giving notice of the refusal.
(Added 54 of 1996 s. 9)

8F. Effective dates
(1) A registration is effective—
(a) for an initial registration or a restoration to a register, from the date of the registration or restoration; and
(b) for a renewal of registration, from the date of the expiry of the previous registration.
(2) A registration expires on the expiry of the period specified in the certificate of registration unless the contractor’s name is removed from the relevant register by order of a disciplinary board.
(3) A reference to the expiry of a registration is construed according to this section. (Amended 15 of 2004 s. 13)
(Added 54 of 1996 s. 9)