What is due when: PQC and standards deadlines

What is due when: EU and national post-quantum migration deadlines, roadmap targets, expected and recent standard publications and other dated milestones from the standards tracker and the PQC migration timeline, in date order. A deadline stated only as a month or a year is placed on its last day.

This page: everything due in the next 12 to 60 months, in date order, with a calendar feed. The other post-quantum pages: Guide: what post-quantum cryptography is and what to do first; Timeline by authority: the milestones of each EU and national authority, as its source states them; Compliance calendar: dated obligations and milestones beyond post-quantum; Standards deadline tracker: every standard, committee and deadline with its status and next milestone.

All tracked standards and deadline sets · Calendar feed (iCal) of these milestones · Download the tracker as JSON · Quantum standards and guidance · Post-quantum cryptography migration timeline · PQC product readiness and migration navigator

12 milestones in the next 24 months

2026

1. By the end of 2026 (source wording: 'bis Ende 2026')

   Initial preparation and planning phase (PQC readiness) complete and first migration steps started: Leitlinie zur Umstellung auf PQC (BMI/BMDS/BSI, Artikelnummer BMI26024)

   BSI · Germany · Post-quantum cryptography · Deadline

   BSI: Nationale Umsetzung der EU-Roadmap zur Umstellung auf Post-Quanten-Kryptografie (PDF) (read 2026-10-25; Header (11. September 2026); section 3 Zeitplan; section 4 intro; 4.1 Fristen verbindlich machen; inventory subsection; Impressum (Stand August 2026))

2. By the end of 2026 (source wording: 'bis Ende 2026')

   Initial cryptographic inventory complete: Leitlinie zur Umstellung auf PQC (BMI/BMDS/BSI, Artikelnummer BMI26024)

   BSI · Germany · Post-quantum cryptography · Deadline

   BSI: Nationale Umsetzung der EU-Roadmap zur Umstellung auf Post-Quanten-Kryptografie (PDF) (read 2026-10-25; Header (11. September 2026); section 3 Zeitplan; section 4 intro; 4.1 Fristen verbindlich machen; inventory subsection; Impressum (Stand August 2026))

3. By the end of 2026 (source wording: 'bis Ende 2026')

   Responsible bodies (e.g. IT-Planungsrat, UP KRITIS) adopt the deadlines as binding where possible: Leitlinie zur Umstellung auf PQC (BMI/BMDS/BSI, Artikelnummer BMI26024)

   BSI · Germany · Post-quantum cryptography · Target date

   BSI: Nationale Umsetzung der EU-Roadmap zur Umstellung auf Post-Quanten-Kryptografie (PDF) (read 2026-10-25; Header (11. September 2026); section 3 Zeitplan; section 4 intro; 4.1 Fristen verbindlich machen; inventory subsection; Impressum (Stand August 2026))

4. extension until 31 December 2026

   PAR expires: IEEE P7130

   IEEE · International · Quantum technologies in general · Review or expiry date

   IEEE SA: SASB Meeting Minutes 10 December 2025 (PDF) (read 2026-10-25; 3.2.3 NesCom Recommendations, Extension Requests, P7130)

5. By the end of 2026 at the latest (source wording: 'uiterlijk eind 2026')

   Quantum risk in risk management; own cryptography policy per Rijksbreed Beleidskader Cryptografie: Rijksbrede Quantumstrategie (2026), PQC-migratie tijdpad

   Netherlands · Netherlands · Post-quantum cryptography · Target date

   Rijksoverheid (open.overheid.nl): Rijksbrede Quantumstrategie (PDF) (read 2026-10-25; Section 4.1.1 Voorbereiden van de Rijksoverheid op de quantumdreiging, box 'PQC-migratie tijdpad voor de Nederlandse Rijksoverheid' (page 36))

6. By 31 December 2026

   EU roadmap milestone 1: first steps and national roadmaps: EU PQC Coordinated Implementation Roadmap (Part 1)

   EU · European Union · Post-quantum cryptography · Target date

   NIS Cooperation Group: A Coordinated Implementation Roadmap for the Transition to Post-Quantum Cryptography, Part 1, version 1.1 (read 2026-10-21; Section 4.1, timeline for the transition to PQC, point 1 (by 31.12.2026); section 4.2, box Milestone 1)

2027

1. 1 April 2027

   Plans updated to guide Phase 2: TBS Security Policy Implementation Notice (SPIN) on PQC migration

   Canada (CCCS, TBS) · Canada · Post-quantum cryptography · Deadline

   Government of Canada (TBS): Migrating the Government of Canada to Post-Quantum Cryptography: Security Policy Implementation Notice (read 2026-10-25; Section 1 effective date; sections 6.1-6.3 requirements)

2. By 12 April 2027 at the latest

   Assessment of the PQC Recommendation due: Commission Recommendation (EU) 2024/1101

   EU · European Union · Post-quantum cryptography · Target date

   EUR-Lex: Commission Recommendation (EU) 2024/1101, document information and text (read 2026-10-21; Document information, dates: deadline 12/04/2027, review at the latest, see point 11; point (11) of the text)

3. finalized standard expected in 2027

   Final HQC standard expected: HQC (planned FIPS)

   NIST · United States · Post-quantum cryptography · Expected publication (as the body states) · Partly verified

   NIST: NIST Selects HQC as Fifth Algorithm for Post-Quantum Encryption (read 2026-10-25; Body text on draft timing, 90-day comment period and 2027 finalization)

4. By the end of 2027 at the latest (source wording: 'uiterlijk eind 2027')

   HNDL mitigations; (draft) PQC migration planning and pilots; crypto asset management; staffing and budget insight: Rijksbrede Quantumstrategie (2026), PQC-migratie tijdpad

   Netherlands · Netherlands · Post-quantum cryptography · Target date

   Rijksoverheid (open.overheid.nl): Rijksbrede Quantumstrategie (PDF) (read 2026-10-25; Section 4.1.1 Voorbereiden van de Rijksoverheid op de quantumdreiging, box 'PQC-migratie tijdpad voor de Nederlandse Rijksoverheid' (page 36))

2028

1. 1 April 2028

   System records updated, high-priority systems identified, Phase 3 plans, transition of systems begins: TBS Security Policy Implementation Notice (SPIN) on PQC migration

   Canada (CCCS, TBS) · Canada · Post-quantum cryptography · Deadline

   Government of Canada (TBS): Migrating the Government of Canada to Post-Quantum Cryptography: Security Policy Implementation Notice (read 2026-10-25; Section 1 effective date; sections 6.1-6.3 requirements)

2. By 2028 (year only)

   Define migration goals, complete discovery and assessment, build initial migration plan: NCSC guidance: PQC migration timelines

   NCSC-UK · United Kingdom · Post-quantum cryptography · Target date

   NCSC: Timelines for migration to post-quantum cryptography (read 2026-10-25; Page header (published/reviewed dates) and migration timeline milestones section)

Sources compiled 2026-10-27; assembled 2026-11-02. Reviewed every 90 days. Past milestones of the PQC transition are on the migration timeline.