habían cerciorado
-they/you had convinced
Past perfectellos/ellas/ustedesconjugation ofcerciorar.

cerciorar

Ello no sucedía en este caso, pues las autoridades nacionales se habían cerciorado de que se hubieran cumplido las normas procesales y solo confirmaron el despido del autor tras haber celebrado tres procesos.
This was not the case because domestic authorities had carefully examined compliance with the procedural rules and only confirmed the author's dismissal after having conducted three sets of proceedings.
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