October 22, 2026 · Confirmed Parliamentary Meetings
November meetings with Nadine Le Gal (MNA for Blainville) and Madeleine Chenette (federal MP)
Two bilateral meetings confirmed. Nadine Le Gal scheduled this exchange prior to opening her permanent office. Agenda: Bill 93, BAPE 371, federal response to OAG (Nov. 10), and CUSMA SEM-26-003 next steps.
October 17, 2026 · Legal Rebuttal Filed (SEM-26-003)
Submitter observations rebutting Canada's preliminary objection (OAG Petition 0546)
Filing of legal observations demonstrating that an OAG citizen petition (s. 22 AG Act) is not a pending judicial or quasi-judicial proceeding under CUSMA Article 24.27(4)(a).
October 16, 2026 · Canada's Official Response (72-RSP)
Canada files official response and attempts procedural dismissal (SEM-26-003)
Ottawa invokes its own OAG petition to seek dismissal or stay of review, without refuting critical cadmium discharges (320x standard) or peatland impacts. CEC review ongoing (Art. 24.28).
October 9, 2026 · Official Press Release
15-year-old challenges Canada to enforce its own environmental laws (7 days left)
In seven days (October 16), Canada must respond to submission SEM-26-003 deemed admissible by CEC (CUSMA). Official press statement by William Guindon.
September 27, 2026 · Plain-Language Overview
SEM-26-003 explained simply: The complete and accessible dossier
Release of a 12-part plain-language overview breaking down the citizen submission, CEC decision of August 17, 2026, admitted allegations, and key data.
September 26, 2026 · Legal Framework
Adoption of Fundamental Charter 12 (Archive Protection)
Formal adoption of the policy governing evidentiary permanence, copyright compliance, and redaction/takedown procedures for all 222 exhibits.
September 25, 2026 · Official CEC Confirmation
CEC Attestation: First minor author in the history of the SEM mechanism (since 1994)
Official confirmation from the CEC Secretariat certifying that William Guindon (age 15) is the first minor citizen in history to file an international SEM submission since the treaty's creation in 1994.
September 22, 2026 · Press Kit & Transparency
Search Engine & ZIP Archive of Evidence (Online)
Official launch of the full-text OCR search engine and downloadable ZIP archive gathering over 96% of the supporting exhibits for dossier SEM-26-003.
September 11, 2026 · Citizen Investigation
Investigation: Political parties positioning (Cell 6)
Publication of the citizen investigation report assessing the stance of Quebec and Canadian political parties following CEC decision SEM-26-003.
August 17, 2026 · CEC / CUSMA
Historic Positive Determination by the CEC
The Government of Canada is officially required to respond by October 16, 2026 in the Stablex and Grande Tourbière de Blainville case (SEM-26-003).
