In the discovery phase of a lawsuit, written requests from one party to another party seeking documents, electronically stored information (ESI), other tangible items, or the inspection of property. Requests for production (RFP) may permissibly seek non- privileged, relevant information within the other party's possession, custody, or control.

For more on requests for production, see Standard Document, Requesting Parties: Request for the Production of Documents (RFP) (Federal).