1. Act of 10 June 1994 on public procurement, (Journal of Laws 1994, No. 76, item 344).
2. Act of 11 September 2019 Public Procurement Law (Journal of Laws 2023, No. 1605).
3. Act of 22 June 2016 amending the Public Procurement Law and certain other acts (Journal of Laws 2016, item 1020).
4. Act of 29 August 2014 amending the Act - Public Procurement Law, (Journal of Laws 2014, item 1232).
5. Act of 29 January 2004 Public Procurement Law (Journal of Laws 2004 No. 19 item 177).