EASA AIRCREW
Regulation (EU) No 1178/2011
Annex I / Part-FCL / FCL.625 IR — Validity, revalidation and renewal

(a) Validity. An IR shall be valid for 1 year.
(b) Revalidation.
(1) An IR shall be revalidated within the 3 months immediately preceding the expiry date of the rating.
(2) Applicants who fail to pass the relevant section of an IR proficiency check before the expiry date of the IR shall not exercise the IR privileges until they have passed the proficiency check.
(c) Renewal.
If an IR has expired, in order to renew their privileges applicants shall:
(1) go through refresher training at an ATO to reach the level of proficiency needed to pass the instrument element of the skill test in accordance with Appendix 9 to this Part; and
(2) complete a proficiency check in accordance with Appendix 9 to this Part, in the relevant aircraft category.
(d) If the IR has not been revalidated or renewed within the preceding 7 years, the holder will be required to pass again the IR theoretical knowledge examination and skill test.