noun, verbal noun
You have an excuse that permits you to do what you want. It is a license and certificate allowing you to do this.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
"Ah. I forgot how much I love driving. I have got to get my license renewed." "Wait! Has your driver’s license expired? Omg. That’s it! Pull over right now!"