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Form of sub-contract. 3rd edition 1998. (2003 revision)

Form of sub-contract. 3rd edition 1998. (2003 revision)

Document Status



Core Supplement


Constitutes the third edition (1998) of the ACA's form of sub-contract 1982 (2003 revision). Covers: sub-contractor's general obligations; drawings, details, documents and information; access to the site and to the sub-contract works; vesting of property, indemnities and insurance; instructions; assignment and sub-letting; commencement, completion and delays in the execution of the sub-contract works; taking-over and defective work; damage, loss and/or expense; payment; final payment; fluctuations; termination; construction industry scheme (CIS); Disputes - conciliation, adjudication, litigation and arbitration; and CDM Regulations.


Intended for use with the ACA form of building agreement 1982, third edition 1998. The ACA Model Conciliation Agreement is referred to in this agreement (it is bound into the 2003 revisions).




Publisher History

Founded in 1973, the Association of Consultant Architects represents architects in private practice throughout the UK. They are well known for their contracts and agreement documents.



NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.

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