The status of confined establishments, for which operators may apply on a voluntary basis, was first introduced in Directive 92/65/EEC, which lays down rules and requirements for approval and movement requirements for approved bodies, institutes and centres.
Tugadh isteach stádas na mbunaíochtaí comhdhúnta, ar féidir le hoibreoirí cur isteach orthu ar bhonn deonach, den chéad uair le Treoir 92/65/CEE, ina bhfuil rialacha agus ceanglais leagtha síos maidir le ceanglais formheasa agus gluaiseachta do chomhlachtaí, institiúidí agus lárionaid formheasta.