Apply Here
Vic Calculating Business Days
Authorised Nominating Authority
IMPORTANT: The Building and Construction Industry Security of Payment Act 2002 (Vic) was amended on 15 April 2026. The information on this section of the website is for payment claims or performance security claims made on or after 15 April 2026. Parties should seek independent legal advice as to the operation of the amended Act.
What is a business day under the Act?
The following is the definition of a business day provided by the Act.
business day means a day that is not—
(a) a Saturday or Sunday; or
(b) a day that is wholly or partly observed as a public holiday throughout Victoria; or
(c) a day during the period commencing on 22 December in any year and ending on 10 January in the following year
How are business days under the Act calculated?
Accurate calculation of business days is extremely important. Miscalculation may cause an adjudication application to fail, or may disentitle a party to participate in the adjudication process.
To find a date after a certain number of business days, start at the date of service of a document and add Business Days (days that do not include Saturday, Sunday, Victoria public holiday or the days between 22 December and 10 January).