Standard Form of Building Contract for Nominated Supplier to be used where Bills of Quantities form part of the Contract in conjunction with Form 203A (Rev 2007) : PWD Form 203P (Rev. The clauses clearly demand the Contractor to show a good performance andcontinue with the work to prevent disruption to the progress of the project.PAM Form of Contract 2006But the new PAM 2006 contains provision that give the Contractor to suspend theprogress of work if the Contractor is faced with problem of delayed or non paymentby the Employer.Standard Form of Building Contract for Nominated Sub-Contractor where the Main Contract is based upon PWD Form 203 or 203A : PWD Form 203N (Rev.Standard Form of Building Contract to be used where Drawings and Specifications form part of the Contract : PWD Form 203 (Rev.