(a) Award period

The Secretary may award a grant to an eligible institution under this part for 5 years.

(b) Limitations

In awarding grants under this part the Secretary shall give priority to applicants who are not already receiving a grant under this part, except that for the purpose of this subsection a grant under subsection (c) and a grant under section 1068c(a)(1) of this title shall not be considered a grant under this part.

(c) Planning grants

Notwithstanding subsection (a), the Secretary may award a grant to an eligible institution under this part for a period of one year for the purpose of preparation of plans and applications for a grant under this part.

(d) Wait-out-period

Each eligible institution that received a grant under this part for a 5-year period shall not be eligible to receive an additional grant under this part until 2 years after the date on which the 5-year grant period terminates.