EU AI Act Conformity

How high-risk AI and general-purpose models show they meet the AI Act.

Only one AI Act harmonized standard is cited in the Official Journal: EN 18286 on quality management, cited October 14, 2026. The AI Office used its enforcement powers for the first time on August 29, 2026, sending information requests to more than 30 companies.

AI Act harmonized standards by status: Cited in the Official Journal 1; Under preparation 4; Under development 1. Secondary source AI ACT HARMONIZED STANDARDS BY STATUS Cited in the Official Journal 1 Under preparation 4 Under development 1 STANDARDS, OCT 2026 SECONDARY SOURCE
General-purpose code signatories
~26
Companies receiving AI Office requests
30+
General-purpose fine ceiling
€15M or 3%
QMS setup cost estimate
€193,000-330,000

Evidence

Enforcement began for general-purpose models before high-risk conformity can start

Developments: EU AI Act Conformity
DateDevelopmentCountryWhat happenedSource
Aug 1, 2025General-purpose code signatoriesEUAbout 26 signed; xAI signed the safety chapter only; Meta declinedSource
Jul 31, 2026EN 18286 publishedEUFirst AI Act quality management standardSource
Aug 29, 2026First AI Office information requestsEUSafety requests to frontier providers; transparency requests to 30+ firmsSource
Oct 14, 2026Implementing Decision citing EN 18286EUCited without restriction; covers part of Article 17Source
May 8, 2026China agent opinions require testing and recallChinaA comparable gate to conformity assessment for sector agentsSource

Rules

Most high-risk systems will self-assess; biometrics and non-standard cases need a notified body

Key rules and standards: EU AI Act conformity
RuleJurisdictionWhat it requiresStatus
Article 43 and Annex VI internal controlEUSelf-assessment where harmonized standards are appliedDec 2, 2027
Annex VII notified body routeEUThird-party QMS and documentation auditDec 2, 2027
Annex IV documentation and Article 17 QMSEUTechnical file and quality management systemDec 2027; Annex I Aug 2028
Articles 48 to 49 and 72EUCE marking, EU database registration, post-market monitoringSame dates
GPAI Code of PracticeEUVoluntary route to show general-purpose complianceEnforced from Aug 2, 2026

Status colors: green in force, blue voluntary standard or framework, amber adopted and phasing in, gray draft or pending, red withdrawn.

Record

Page Record

Datasets
ai_compliance_evidence.csv (5 rows)
Key sources
General-purpose code signatories
EN 18286 published
First AI Office information requests
Implementing Decision citing EN 18286
China agent opinions require testing and recall
Last verified
October 2026