BOD P00-00-00-00 stands for Board of Directors/month/year/page/vote in the Board of Directors Minutes; the "P" indicates that it is a position (see below). For example, BOD P11-97-06-18 means that this position can be found in the November 1997 Board of Directors minutes on Page 6 and that it was Vote 18.
HOD stands for House of Delegates, etc.
P: Position | S: Standard | G: Guideline | Y: Policy | R: Procedure