(b) Except for the standards made mandatory by §151.72(a), the standards prescribed in this subpart that apply to any particular project are those in effect on the date the sponsor accepts the Administrator's offer under §151.29(c). The standards of §151.72(a) applicable to a project are those in effect on the date written on the notification of tentative allocation of funds (§151.21(b)). Standards that become effective after that date may be applied to the project by agreement between the sponsor and the Administrator.
(Secs. 1–15, 17–21, 60 Stat. 170, 49 U.S.C. 1120)
[Amdt. 151–19, 32 FR 9220, June 29, 1967]