A landmark legal challenge to Quebec’s secularism law, Bill 21, is set to be heard by Canada’s supreme court, raising major questions about religious freedom, constitutional rights, and national unity. The 2019 law bars certain public-sector workers from wearing religious symbols and is protected by the ‘notwithstanding clause’, which allows governments to override specific Charter rights. Critics argue the law disproportionately affects religious minorities and risks setting a precedent for limiting fundamental freedoms, while supporters say it upholds state neutrality and democratic authority. The case has drawn widespread attention; many, including the federal government, have called for imposing limits on how the clause can be used. The court’s decision could redefine the balance between judicial oversight and parliamentary power, with implications extending far beyond Quebec.