If this is a certified translation, you could add something like:
[The initials (or it could be a flourish) of xx party appears at the bottom of each page to the right/left indicating approval with the contents of the document], or similar words. https://www.proz.com/kudoz/spanish-to-english/business-comme...

Is this the case with yours (certified?).

Translating Official Documents por Roberto Mayoral Asensio https://www.worldcat.org/title/translating-official-document...
https://bleedgow.firebaseapp.com/translating-official-docume...
I do not think the entire content is available on the internet. You probably have to purchase it. I found one or two pages, but you will have to search.


paraph /ˈpærəf/ n
a flourish after a signature, originally to prevent forgery
2. flourish - an ornamental embellishment in writing
embellishment - a superfluous ornament
paraph - a flourish added after or under your signature (originally to protect against forgery)


Del RAE:
rúbrica.
(Del lat. rubrīca, der. de ruber, rojo).

1. f. Rasgo o conjunto de rasgos de forma determinada, que como parte de la firma pone cada cual después de su nombre o título, y que a veces va sola, esto es, no precedida del nombre o título de la persona que rubrica.

Agree with Jane!