1. A computer method for tracking mail piece production of documents that are originally part of a first mail production job, but that may be produced as part of a different second mail production job, the method comprising: in a database, storing a first record identifying documents in the first mail production job, the first record further including one or more fields indicating a production status of the documents in the first mail production job; separating a document from the first mail production job to be produced as part of a second mail production job; in the database, storing a second record identifying documents in the second mail production job; in the database, updating one or more records pertaining to the document to include a pointer indicating the relationship between the document and the first mail production job and the second mail production job; determining a status of the document during mail production in the second mail production job; updating the one or more records with a status of the document; and responsive to a query regarding the status of documents originally in the first job, using the pointer to identify the status of the document in the second job, and providing that status pursuant to the query.