See this example properly formatted in the QUT Cite tool.
Standard in-text citation examples are in Getting started - In-text citation.
Title of Act Year (Jurisdiction) s (section number) #. http://xxxxx
Health Practitioner Regulation National Law Act 2009 (Qld) https://www.legislation.qld.gov.au/
Medical Indemnity Act 2002 (Cth) s 7.
Domestic Building Contracts Act 1995 (Vic) s 22. http://www.legislation.vic.gov.au/
The format for legal documents in Vancouver style is based on the Bluebook. Examples listed above are for Australian legislation.
Jurisdiction refers to the particular state or commonwealth that the piece of legislation applies to. Please consult The Bluebook further for other jurisdictions.
The section number ('s') can be specified if a specific section of the act is used.
If your source is online include the URL after the section number.
See also Parliamentary debates (Hansard) and Case law for other legal documents.