This Technical Specification provides guidance in the form of detailed technical rules based on the basic principles, both for the overarching standard and for each standard within the set of EPB-standards. These detailed technical rules give practical rules on the following subjects for EPB-standards:- the standardization process, including collaborations and consultations; - the application range of the standards; - common general organization of each standard and the national implementation; - the overarching structure for the energy performance assessment; - common model(s) and editorial rules for each standard; - common quality aspects for each standard.