Section 3(1) of the Principal Act is amended as follows:(a) by omitting the definition of building services licence and substituting the following definition:building services licence means –(a) a licence issued and in force in accordance with Division 3A of Part 4 ; or(b) a licence held by a person by virtue of holding deemed registration;(b) by omitting "under section 21 " from the definition of contractor and substituting ", or a person who is the holder of a contractor’s licence by virtue of holding deemed registration," ;(c) by inserting the following definitions after the definition of contractor's business :contractor’s licence means –(a) a contractor’s licence issued and in force in accordance with Division 2 of Part 4; or(b) a licence held by a person by virtue of holding deemed registration;deemed registration means an entitlement to automatic deemed registration, within the meaning of the Mutual Recognition Act 1992 of the Commonwealth;(d) by omitting "Act;" from paragraph (c) of the definition of licence and substituting "Act; or" ;(e) by inserting the following paragraphs after paragraph (c) in the definition of licence :(d) an entitlement to carry out any prescribed work by virtue of holding deemed registration; or(e) a document that evidences the holding of that entitlement to hold deemed registration;(f) by inserting ", including a person who is the holder of licence by virtue of holding deemed registration," after "licence" in the definition of practitioner .