ENISO 5459 EUROPEANSTANDARD NORME EUROPEENNE EUROPAISCHE NORM October 2024 ICS 17.040.40 Supersedes EN IS0 5459:2011 English Version Geometrical product specifications (GPS) - Geometrical tolerancing - Datums and datum systems (IS0 5459:2024) Spécificationgéométriquedesproduits (GPS) GeometrischeProduktspezifikation (GPS) Tolerancement géométrique - References spécifiées et Geometrische Tolerierung - Bezige und systemes de references speécifiées (IS0 5459:2024) Bezugssysteme (IS0 5459:2024) This European Standard was approved by CEN on 27 July 2024. European Standard the status ofa national standard without any alteration.Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by Centre has the same status as the official versions. Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkiye and United Kingdom. ces EUROPEAN COMMITTEE FOR STANDARDIZATION COMITEEUROPEENDENORMALISATION EUROPAISCHESKOMITEEFURNORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels @2024CEN Ref. No. EN IS0 5459:2024 E All rightsofexploitationinanyformand byanymeansreserved worldwide for CEN national Members. EN IS0 5459:2024 (E) Contents Page European foreword... 2 EN IS0 5459:2024 (E) European foreword This document (ENIS0 5459:2024) has been prepared by Technical Committee IS0/TC 213 "Dimensional and geometrical product specifications and verification" in collaboration with Technical Committee CEN/TC 290 "Dimensional and geometrical product specification and verification" the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2025, and conflicting national standards shall be withdrawn at the latest by April 2025. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights This document supersedes EN IS0 5459:2011. Any feedback and questions on this document should be directed to the users' national standards body/national committee. A complete listing of these bodies can be found on the CEN website. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the United Kingdom. Endorsement notice The text of IS0 5459:2024 has been approved by CEN as EN IS0 5459:2024 without any modification. 3