((a)) ** In general** The Commissioner shall provide, directly or through other arrangements—

((1)) technical assistance to the public and private agencies in planning, developing, conducting, and administering projects under this subchapter;

((2)) short-term in-service training for specialized or other personnel that is needed in connection with projects receiving financial assistance under this subchapter; and

((3)) upon denial of a grant application, technical assistance to a potential grantee in revising a grant proposal.

((b)) ** Priority** In providing assistance under subsection (a), the Commissioner shall give priority to any application described in .section 2991b(b)(2) of this title