Ontario: AI disclosure in job postings (Working for Workers Four Act, 2024)
Ontario employers with 25 or more staff must say in public job postings if AI is used to screen or select applicants. Applies to postings from 1 January 2026.
Under Ontario’s Employment Standards Act, as amended by the Working for Workers Four Act, 2024, employers with 25 or more employees must state in a publicly advertised job posting if artificial intelligence is used to screen, assess or select applicants. Copies of postings must be kept for three years after they are taken down.
Internal postings, general recruitment campaigns and work performed entirely outside Ontario are exempt.