This part prescribes NSF's policies and procedures under the Age Discrimination Act of 1975 and the Department of Health and Human Services government-wide age discrimination regulations at 45 CFR part 90 . The Act and part 90 prohibit discrimination on the basis of age in programs or activities receiving Federal financial assistance. The Act and part 90 permit federally assisted programs or activities and recipients of Federal funds to continue to use age distinctions and factors other than age which meet the requirements of the Act and part 90.
45 C.F.R. §617.1