hayan erigido
-they/you have built
Present perfect subjunctive ellos/ellas/ustedes conjugation of erigir.

erigir

De ahí que, desde la adhesión de Egipto a la Convención, se hayan erigido en principios jurídicos directamente aplicables en el país y vinculantes para todas las autoridades a las que se les aplica.
Hence, since Egypt's accession to the Convention, they have constituted legislative principles which are directly enforceable in Egypt and binding on all the authorities to which they apply.
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