Raincheck - A slip issued with a shipment when there are not enough copies of a document available for distribution to all selecting depository libraries . The raincheck indicates that more copies will be acquired and sent at a later date. Regional Library - A depository library that has been designated by Congress to receive and retain ALL government documents distributed through the depository program . Regional libraries are also legally responsible for serving other depository libraries in their region by providing copies of documents and assistance with fulfilling depository regulations . Selective Depository Library - A library that receives only those item numbers that will fulfill the primary needs of library users within the geographic area it has been designated to serve.
Most libraries are selective depositories.
The selections are indicated as a percentage of the total number of item numbers available. Separates - The depository documents that are mailed in individual packages, generally due to their large size, with the shipping list for all of the packages sent separately. Each individual envelope or box is stamped with the shipping list number before it is sent. Serial Set - An official publication containing compilations of congressional committee reports and documents. Shipment - Publications that are grouped together in a shipping box with a shipping list .