Direct Participation Program (or Direct Participation Plan, abbreviated DPP) is a financial security which enables investors to participate in a business venture's cash flow and taxation benefits. Chiefly used in the past as a tax shelter, recent tax regulations have reduced its effectiveness in this respect. Securities are tradeable interests representing financial value. ... In finance, cash flow refers to the amounts of cash being received and spent by a business during a defined period of time, sometimes tied to a specific project. ... Tax shelters are any method of reducing taxable income resulting in a reduction of the payments to tax collecting entities including state and federal governments. ...

DPP securities are traded on the OTC Bulletin Board since May 1997. 1997 is a common year starting on Wednesday of the Gregorian calendar. ...