This contract should be used for local and international procurement of goods under a single order or on a batch order basis and is for use with contracts which do not require sophisticated management techniques and impose only low risks on both the Purchaser and Supplier. Construction Clients' Board endorsement of NEC3 The Construction Clients' Board (formerly Public Sector Clients' Forum) recommends that public sector organisations use the NEC3 contracts when procuring construction. Standardising use of this comprehensive suite of contracts should help to deliver efficiencies across the public sector and promote behaviours in line with the principles of Achieving Excellence in Construction.