From the amounts made available to carry out this part for a fiscal year, a portion equal to not less than 30 percent of the sums made available to carry out part B and this part, shall be used for permanent housing for homeless individuals with disabilities and homeless families that include such an individual who is an adult or a minor head of household if no adult is present in the household.

In calculating the portion of the amount described in paragraph (1) that is used for activities that are described in paragraph (1), the Secretary shall not count funds made available to renew contracts for existing projects under section 11386c of this title.

The 30 percent figure in paragraph (1) shall be reduced proportionately based on need under section 11386a(b)(2) of this title in geographic areas for which subsection (e) applies in regard to subsection (d)(2)(A).

The requirement established in paragraph (1) shall be suspended for any year in which funding available for grants under this part after making the allocation established in paragraph (1) would not be sufficient to renew for 1 year all existing grants that would otherwise be fully funded under this part.