Rules and authorities

apprise
(v)
ǝp-RIZE
Meaning

inform; tell

1st Sample Sentence

The bank has written to apprise me of the fact that I have no money left in my account.

Root

ad (to)#prehendere (to grasp, seize) (Latin)

Mnemonics

Sounds like "A PRIZE". So when you get a + PRISE (PRIZE), you are informed by the authorities.