Permanent residence in Switzerland is generally granted through the C Permit, which allows foreign nationals to reside in Switzerland without the renewal requirements associated with temporary residence permits. Eligibility depends on nationality, length of lawful residence, integration and compliance with Swiss immigration law. Applicants may be required to demonstrate language proficiency, financial stability, respect for public order and successful integration into Swiss society. Some nationalities benefit from bilateral agreements that may reduce qualifying residence periods. The granting of permanent residence remains subject to cantonal administration and applicable federal legislation.