AI law comparison · Data verified 2026-08-22
NYC Local Law 144 vs Ontario AI Hiring Disclosure
NYC Local Law 144 and Ontario AI Hiring Disclosure are two of the 169 AI and data regulations Aegis Firma tracks. They have different scopes, effective dates, and penalties — and many businesses fall under both. Here is the side-by-side, drawn directly from the regulatory registry.
Find which laws apply to my businessSide by side
Summary of publicly available regulatory text. Verify against current official sources before relying on this for compliance decisions. Not legal advice.
The key difference
NYC Local Law 144 takes effect first, so it is usually the more urgent of the two. NYC Local Law 144 tracks 5 compliance requirements and Ontario AI Hiring Disclosure tracks 3. They are not interchangeable — meeting one does not discharge the other. The practical question is not which law is “stricter,” but which of them — or both — actually applies to your business.
New York City Local Law 144 — Automated Employment Decision Tools
NYC Local Law 144 (Int. 1894-A) requires any employer or employment agency in New York City that uses an automated employment decision tool (AEDT) in hiring or promotion decisions to conduct annual independent bias audits, publish the results, and notify candidates before use. An AEDT is any computational process that screens or ranks candidates. Applies to NYC-based roles regardless of where the company is headquart…
Full NYC Local Law 144 requirementsOntario Working for Workers Four Act, 2024 — AI Hiring Disclosure (job-posting rules)
Ontario's Working for Workers Four Act, 2024 added job-posting rules to the Employment Standards Act, 2000 (ss. 8.1–8.6) that took effect January 1, 2026. The rules apply ONLY to employers with 25 or more employees in Ontario (counted on the day a publicly advertised job posting is posted). A covered employer that uses artificial intelligence to SCREEN, ASSESS, OR SELECT applicants for a publicly advertised job posti…
Full Ontario AI Hiring Disclosure requirementsCommon questions
Could both NYC Local Law 144 and Ontario AI Hiring Disclosure apply to my business?
Yes. NYC Local Law 144 and Ontario AI Hiring Disclosure are separate regulations with separate scopes — a business can fall under both at once. NYC Local Law 144 covers Applies to any employer or employment agency that: (1) employs four or more employees; (2) uses an AEDT in the hiring or promotion of an employee for a position… Ontario AI Hiring Disclosure covers Applies ONLY to employers with 25 or more employees in Ontario, counted on the day a publicly advertised job posting is posted, under the Working for Workers Fo… If your operations meet both scopes, you must comply with both. Aegis Firma's free scan checks all 169 tracked regulations against your business profile so you do not have to read each law to find out.
Which has the higher maximum penalty — NYC Local Law 144 or Ontario AI Hiring Disclosure?
NYC Local Law 144: $500 per violation; $1,500 per day for continuing violations (enforced by NYC Dept. of Consumer and Worker Protection) Ontario AI Hiring Disclosure: Enforced by employment standards officers under the Employment Standards Act, 2000 (Ministry of Labour, Immigration, Training and Skills Development). ESA prosecution fines: individuals up to $100,000 and/or 12 months imprisonment (raised from $50,000 effective 2024-10-28); corporations $100,000 (first conviction) / $250,000 (second) / $500,000 (third). No O. Reg. 476/24-specific administrative monetary penalty has been published as of 2026-06-14. legal_review_pending. Penalty structures differ by regulator and violation type — read each law's full page for the cure periods and per-violation detail.
When does each law take effect?
NYC Local Law 144 — effective 2023-01-01, enforcement from 2023-07-05. Ontario AI Hiring Disclosure — effective 2026-01-01. Dates last verified against official sources on 2026-08-22 and 2026-08-22 respectively.
Related comparisons
Stop guessing which laws apply
Answer a short questionnaire about your business and Aegis Firma tells you exactly which of 169 regulations apply — and what each one requires you to do.
Start free compliance scan