Minister Flaherty tabled legislation to create the Registered Disability Savings Plan on November 21st. The text of the “first reading version” of the bill can be accessed from this site: http://www.parl.gc.ca/LEGISINFO/index.asp?Language=E&query=5334&List=toc. Note that the RDSP is only part of a larger Bill. You can also see the status of the Bill from this site.
The explanitory notes that accompany the bill were also released. They can be accessed from the Finance Canada website: http://www.fin.gc.ca/drleg/DregNov07_e.pdf. Note that only pages 26 to 48 pertain to the RDSP.