You need to

• meet the experience requirements and the prerequisites for the issue of the applicable type rating in accordance with Part-FCL
• have current flying practice (the requirement means that you must have flown any class- or type within the last 12 months)
• have at least 500 hours of flight experience as a pilot in the type from which the restriction is to be removed
• pass a skill test on the type rating in accordance with Part-FCL.

The requirements for the removal of a restriction are set out in Article 3(d) and Article 10 of the Delegated Regulation (EU) 2020/723.

More information can be found on the page Ratings issued or limited to a third country (non-EASA)