On 6 April 2015, CDM 2007 was revoked and replaced by the Construction (Design and Management) Regulations 2015 (CDM 2015).
CDM 2015 is subject to certain transitional arrangements, for construction projects that began before 6 April 2015 and continue beyond that date.
The CDM 2007 webpages are therefore being retained alongside pages giving guidance on CDM 2015 until the end of the transitional period (6 October 2015).
CDM 2007 places legal duties on virtually everyone involved in construction work. Those with legal duties are commonly known as 'dutyholders':