counterpart
//ˈkaʊn.tə.pɑːrt//
Noun
counterpartSingular
counterpartsPlural
1
A person or thing that corresponds to or has the same function as another person or thing in a different place, organization, or situation.
The Japanese minister met with his American counterpart to discuss trade.
2
One of two copies of a legal document.
Please sign both counterparts of the contract and return one copy to us.