EU
Main EU documents regulating PP
EU PP documents in the area of defence and security
Dematerialisation of public procurement markets
Public private partnerships
Reforming the EU PP legislation
Information regarding new proposals amending the EU PP rules can be found at this website
https://ec.europa.eu/internal_market/publicprocurement/modernising_rules/reform_proposals_en.htm
Other EU PP documents
2. Golden rules of e-procurement EU good practice
https://ec.europa.eu/internal_market/publicprocurement/e-procurement/golden-book/catalogue_en.htm