Contents

Autofill Ontario Closure Plan Amendment Proponent Certificate Form1 On00867

Certify a closure plan amendment under O. Reg. 35/24 without retyping proponent particulars

Mining proponents repeat legal name, business address, authorized contacts, and site identifiers when signing Form 1 when a closure plan amendment meets the requirements of O. Reg. 35/24, Rehabilitation of Lands. This guide is an example of storing them once in hivi.

Official form and source

Start from the official source and always use the current version — form numbers and links can change:

What this form is about

Form on00867 is Form 1 — Proponent's Certificate when amendment requirements are met under O. Reg. 35/24, Schedule 2 — confirm filing rules on ontario.ca.

Before you start: what to gather

  • Proponent legal name and business address.
  • Authorized contact phone and email.
  • Mine or site identifiers tied to the closure plan amendment.
  • Amendment reference and certification attestations — confirm on ontario.ca.

Confirm the current process on ontario.ca.

How hivi makes it faster

  1. Save it once. Store your proponent name, address, and contact details in your hivi profile.
  2. Keep documents ready. Upload supporting documents to hivi Files so you are not searching at form time.
  3. Autofill the form. Use the hivi Chrome extension on a web form, or fill a PDF from your saved profile inside hivi.
  4. Review and submit yourself through the official channel.

Why do it in hivi

Related Ontario forms repeat the same personal details. Captured once in hivi — stored in Canada, with AI on its own servers — every form starts mostly complete.