Usage patterns
〈物〉の写しを取るto make a copy of (a document)
I kept a copy of the contract.
〈人〉に写しを送るto send someone a cc (carbon copy) of an email
Please send a cc of this email to the manager as well.
〈物〉を写しで提出するto submit a copy of (a document) instead of the original
Please submit a copy of your license instead of the original.