Executive summary Chapter I: Introduction The evolution of labour law in the period 1995–2006 is a continuation of the changes in its development which took place in the year 1992 under the conditions of Bulgarian society’s profound changes following the collapse of the totalitarian regime in late 1989. This process took place under the European Agreement on the association of Bulgaria to the European Union, which was operative in 1995–2005. Its main content was the approximation of the existing and future legislation of the country, including its labour law, to the Community law (Articles 69–71 of the quoted Agreement). Chapter II: National constitution traditions Labour law in Bulgaria emerged at the beginning of the 20th century. Its development and the directions it followed are contained, directly or indirectly, in the provisions and spirit of the four Constitutions of Bulgaria that have been operative since then: those of the years 1879,