The EU/USA Bilateral can be found here.
The purpose of the Technical Implementation Procedures is to define the interface requirements and activities between the Federal Aviation Administration (FAA), the European Aviation Safety Agency (EASA) and European Union (EU) Member State Aviation Authorities (AAs) for the import, export, and continued support of civil aeronautical products.
The Section C of the Maintenance Annex Guidance between the Federal Aviation Administration for the USA and the European Aviation Safety Agency for the EU contains the certification process for EU-based Approved Maintenance Organisations applicable to 14 CFR Part 145 repair stations.
The current applicable MAG is change 7 with an effective date of 17 February 2020.
Note: Changes to the MAG shall be implemented, as applicable, within 90 days after the change has been published, unless otherwise specified.
The following documents are necessary for FAA Repair Station Certificate Applications:
MAG Appendix 4 FAA SAS Vitals information form
Pre-application Statement of intent Form 8400-6
FAA Form 8400-6 may be found here.
Application for Repair Station Certificate and/or Rating Form 8310-3
FAA Form 8310-3 may be found here.