The child care subsidy program, in the form of a reduced child care cost rate, shall be in effect from the time the agency makes a decision for a particular Federal employee and the child is enrolled in the program until one of the following occurs:
(a)
The child is no longer enrolled in the program;
(b)
The employee no longer qualifies as a “lower income employee'; or
(c)
The agency no longer has a child care subsidy program.