Questions & Answers about Punomoć mora biti valjana.
Punomoć is a noun, and it is feminine.
You can tell this from the adjective in the sentence: valjana is the feminine singular form, so it agrees with punomoć.
This noun is commonly used in legal or administrative contexts and means power of attorney or authorization, depending on context.
Mora is the 3rd person singular present tense of morati (to have to, must).
Since punomoć is singular, the verb is also singular:
- punomoć mora = the power of attorney must
Compare:
- Punomoć mora biti valjana. = The power of attorney must be valid.
- Punomoći moraju biti valjane. = The powers of attorney must be valid.