456.719—Funding for DUR program.
         FFP is available for sums that the Secretary determines are attributable to the Statewide adoption of a DUR program as described in this subpart, and payment is made under procedures established in  part 433 of this chapter as follows:
    
    
        
        (a) 
         For funds expended by the State during calendar years 1991 through 1993, at the rate of 75 percent.