C-2/17Instituto Nacional de la Seguridad Social v Jesús Crespo Rey

Domstolens egne nøkkelord

Reference for a preliminary ruling — Agreement between the European Community and its Member States, of the one part, and the Swiss Confederation, of the other, on the free movement of persons — Social security for migrant workers — Regulation (EC) No 883/2004 — Paragraph 2 of the section ‘Spain’ in Annex XI — Retirement pension — Method of calculation — Theoretical amount — Relevant contribution basis — Special agreement — Choice of contribution basis — National legislation requiring the worker to make contributions in accordance with the minimum contribution basis.

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