"countersign" in Spanish

Synonyms (English) for "countersign":
Context examples for "countersign" in Spanish(!) These sentences come from external sources & may not be accurate. Therefore, we are not responsible for their content.
I note with satisfaction that it was possible to countersign the association agreement with Egypt a few days ago.
Compruebo con satisfacción que el tratado de asociación con Egipto se ha suscrito, preliminarmente, hace algunos días.