(1)  For the purpose of section 41 of the Act, a survey mark is to take, subject to subregulation (3) , any of the following forms:

(a) boundary mark – which is any mark placed to define the physical location of a corner or a boundary of land, including any stones or trenches placed in accordance with one of the forms specified in Schedule 2 to secure that mark, and which –

(i) if made of wood, is to be at least 75mm square in cross-section extending at least 100mm from the top and is to have a length of not less than 400mm; or

(ii) if made of metal, is to be in the form of a steel star bar at least 450mm long; or

(iii) if made of plastic, is to be not less than 50mm square at the top and 400mm long; or

(iv) in the case of a tree or log, is to be marked in accordance with one of the forms specified in Schedule 2 ;

(b) reference mark – which is any durable, clearly described mark on a building or on an immovable object, or an iron spike or pipe of not less than 12mm in diameter and 300mm in length driven flush with a paved surface or 50mm below an unpaved surface, and which is used to assist in the determination of any corner or boundary of land;

(c) reference mark – which is a tree marked in accordance with one of the forms specified in Schedule 2 and used to assist in the determination of any corner or boundary of land;

(d) traverse mark – which is any mark utilised to define an instrument station on a survey of land that is not a boundary, reference or permanent mark and, if made of wood, steel or plastic, is to be of lesser dimensions than those used for a boundary mark or reference mark;

(e) permanent mark – which is any mark adopted as a permanent mark under section 14 of the Survey Co-ordination Act 1944 .

(2)  Survey marks –

(a) are to be as durable as may be practicable in the circumstances of the survey; and

(b) are to be placed in as permanent a manner as possible; and

(c) are to be accurately and clearly described in the relevant survey notes in accordance with any directions issued under section 15 of the Act.

(3)  Where the survey marks referred to in subregulation (1) are impracticable or unsuitable, marks of equivalent durability and stability may be used at the discretion of the registered land surveyor responsible for their placement.