hayan testificado
-they/you have testified
Present perfect subjunctiveellos/ellas/ustedesconjugation oftestificar.

testificar

(El informe no deberá hacer referencia a los testimonios de los testigos, ni podrá establecer vínculo alguno entre las personas en él mencionadas y las personas que hayan testificado en el curso de la investigación de seguridad.)
(The report should make no reference to witness evidence nor link anyone who is referred to in the report to a person who has given evidence during the course of the safety investigation.)
Debe haber un sistema para protegerlos antes y después de que hayan testificado.
There needs to be a system there to protect them before and after they have given evidence.
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to bake