Contract Act (Cap. 53): Primary legislation governing contract formation, validity, and enforcement in Singapore. Essential for ensuring the acceptance letter meets basic contractual requirements.

Electronic Transactions Act: Governs electronic contracts and digital signatures, relevant if the acceptance letter will be executed electronically.

Building and Construction Authority (BCA) Regulations: Regulatory framework for construction projects, applicable if the project involves construction work.

Professional Engineers Act: Regulates professional engineering services and requirements, relevant if the project involves engineering work.

Architects Act: Governs architectural services and requirements, applicable if the project involves architectural work.

Companies Act (Cap. 50): Regulates company operations and business conduct in Singapore, relevant for corporate entity verification.

Business Registration Act: Governs business registration requirements and verification of business entities.

Building and Construction Industry Security of Payment Act: Regulates payment terms and disputes in construction projects, particularly important for construction-related projects.

Copyright Act: Protects intellectual property rights related to creative works, relevant if the project involves creative or original content.

Patents Act: Protects inventions and innovations, applicable if the project involves new technological developments.

Registered Designs Act: Protects industrial designs, relevant if the project involves design elements.

Employment Act: Main labor law governing employment terms and conditions, applicable if the project involves workforce management.

Work Injury Compensation Act: Governs workplace injury compensation, relevant for projects with physical work components.

Personal Data Protection Act 2012: Regulates the collection, use, and disclosure of personal data, important if the project involves handling personal information.