Contract Law Act 1961: Primary legislation governing contract formation, enforcement, and remedies in Singapore
Civil Law Act (Cap. 43): Fundamental legislation governing civil matters including contractual relationships and obligations
Electronic Transactions Act: Legislation governing the formation and validity of electronic contracts and digital signatures
Building and Construction Industry Security of Payment Act (SOPA): Specific legislation for construction industry payments and disputes, relevant if the fixed fee contract is construction-related
GST Act: Tax legislation affecting contract pricing and payment terms
Competition Act: Legislation ensuring fair competition and preventing anti-competitive contract provisions
Limitation Act: Legislation setting time limits for contractual claims and legal actions
Unfair Contract Terms Act: Legislation regulating unfair terms in contracts and protecting against unreasonable contract provisions
Third Parties (Rights Against Insurers) Act: Legislation governing rights of third parties in contractual relationships
Companies Act: Corporate legislation relevant when contracting parties are registered companies
Employment Act: Labor law framework that may affect service-related fixed fee contracts involving employment relationships
Work Injury Compensation Act: Legislation covering workplace injury compensation that may be relevant for service-based fixed fee contracts
