http://ilegis.legisplus.ro/app/oficiale/index/act/183100
http://legislatie.just.ro/Public/DetaliiDocument/183100
http://lege5.ro/App/Document/hazdcnjx/ordinul-nr-2133-2005-pentru-aprobarea-reglementarilor-privind-certificarea-incadrarii-vehiculelor-inmatriculate-sau-inregistrate-in-normele-tehnice-privind-siguranta-circulatiei-rutiere-protectia-medi