script, scrip

Script or script means the text of a play or movie, or, less commonly,  of some other document --
He has sent over the script of a new play; it looks interesting.
Study the script and learn your lines; we'll begin rehearsals next week.

Script may also mean handwriting, or a system of handwriting --
I can't make out this old-fashioned script.
He studies medieval script; he may be able to decipher this.

Scrip or scrip means, most commonly, a certificate with a specified value, to be used to buy things in a company store --
This scrip can only be spent at the company store.
We're out of cash; we'll have to issue scrip to pay the troops.

Scrip may also mean a receipt or some other small piece of paper, such as an IOU --
Make sure he has a scrip for the goods before you issue them.
We don't keep cash here, but we'll give you a scrip to take to the office.

Scrip may also mean a doctor's prescription for medicine --
You need a scrip from a doctor for that medication.
The doctor will give you a scrip to take to the pharmacy.

Scrip may also mean a certificate for a fraction of a share of stock, or a fraction of a dollar --
I wonder if this old scrip is still worth anything.
The government once issued scrip instead of minting coins.

Now that you know that, you can say --
"Make sure that he signs this scrip when you deliver the script."