As used 110 CMR 7.400 through 7.499 only the following terms shall have the following meanings:
502.1 Regular education with modifications
502.2 Regular education with less than 25% time spent outside the regular education classroom.
502.3 Regular education with less than 60% time spent outside the regular education classroom.
502.4 More than 60% time spent outside the regular education classroom.
502.5 Private school day program.
502.6 Private school residential program.
502.7 Home or hospital instruction.
502.8 Preschool special education program.
502.9 Diagnostic program.
502.11 Program for children aged 16 through 21.
110 CMR, § 7.401