Except where otherwise required by Federal law, the Department rules codified at 45 CFR part 74 (for grants awarded in FY 1988) or 45 CFR part 92 (for grants awarded in FY 1989 and succeeding fiscal years), relating to the administration of grants, apply to funds awarded under this part. A State may, however, apply any or all provisions of part 92 to FY 1988 SLIAG funds.