Form library · Ontario Landlord and Tenant Board
Form A4: Application to Vary the Amount of a Rent Reduction
A landlord's or tenant's application asking the LTB to change the rent reduction in a municipality's Notice of Rent Reduction (after a property tax decrease).
Official source
| Form file | https://tribunalsontario.ca/documents/ltb/Landlord%20Applications%20%26%20Instructions/A4.pdf |
|---|---|
| Version | 2022-04-01 |
| Last checked by Router.law | 2026-10-19 |
Only the person can do
- Complete the payment information yourself. Router.law never handles payment details.
- If you need accommodation under the Ontario Human Rights Code to take part, tick Part 2 of the request form and explain what you need. Router.law leaves this to you.
- Sign the application in Part 5 (page 4) as the applicant or representative.
Fill it with Router.law
REST (API key):
curl -s https://router.law/v1/forms/A4/fill \
-H "Authorization: Bearer $ROUTERLAW_KEY" -H "Content-Type: application/json" \
-d @profile-request.json
MCP (https://router.law/mcp):
fill_form(form_id="A4", profile={...})
The questions to ask and the input schema come from
get_form_spec("A4"). See the developer
docs and MCP setup. Plain text:
/forms/on-ltb-a4.txt.
Router.law spec status: draft.