The Payment of Wages Act 1991 represents a significant overhaul of Irish employment law, providing essential protections regarding wage payment methods, lawful deductions, and mechanisms for challenging improper practices. Prior to this legislation, wage protection was fragmented and inadequate, prompting a need for reform. The Act mandates that wages be paid through recognised methods such as cash, bank transfer, or cheque, thus promoting traceability and reducing coercive practices. Employers are obliged to provide written statements for each payment, detailing gross pay, deductions, and net pay, thereby enhancing transparency.

Furthermore, the Act imposes strict regulations on wage deductions, allowing them only under specific legal or contractual circumstances. Identifying 'wages' broadly to include various forms of remuneration, the Act excludes certain categories for clarity. It establishes a formal dispute resolution process through a Rights Commissioner, ensuring employees can seek remedies for unauthorised deductions or delayed payments. Crucially, the Act protects employees from retaliation when asserting their rights, marking a pivotal advancement in worker protections.