Law Number 6 of 2023 introduced significant changes to the regulation of Fixed-Term Employment Agreements (Perjanjian Kerja Waktu Tertentu/PKWT) by promoting labour market flexibility while maintaining legal protection for contract workers. Nevertheless, the new framework has generated debate regarding the balance between business flexibility and workers' rights. This study aims to examine the legal protection of contract workers following the enactment of Law Number 6 of 2023, analyze the implementation of labour flexibility and legal certainty based on statutory regulations and judicial decisions, and evaluate whether the current framework achieves a fair balance between employers' and workers' interests. This normative legal research applies statutory, conceptual, and case approaches by examining Law Number 6 of 2023, Government Regulation Number 35 of 2021, Constitutional Court Decision Number 91/PUU-XVIII/2020, and relevant legal literature. The findings indicate that the current regulations provide legal protection through restrictions on the use of fixed-term employment agreements, mandatory compensation, and recognition of workers' rights. However, practical implementation remains constrained by the misuse of PKWT, weak labour supervision, and inconsistent law enforcement. Strengthening labour inspection and legal enforcement is therefore essential to ensure an effective balance between labour flexibility and legal certainty.
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