Section 3(1) of the Principal Act is amended as follows:

(a) by omitting the definitions of building notice and building or construction work and substituting the following definition:

building or construction work  –

(a) includes building or construction work specified in item 2 of Schedule 2 ; but

(b) does not include building or construction work specified in item 3 of Schedule 2 ;

(b) by omitting the definition of project owner and substituting the following definition:

project owner , in respect of building or construction work, means –

(a) the person for whose direct benefit the building or construction work is done; or

(b) if the person referred to in paragraph (a) has engaged another person to carry out or cause to be carried out all of the building or construction work, the person so engaged;