In carrying out this section, eligible agencies shall collaborate where possible, and avoid duplicating efforts, in order to maximize the impact of the activities described in subsection (a).
Whenever a State or outlying area implements any rule or policy relating to the administration or operation of a program authorized under this subchapter that has the effect of imposing a requirement that is not imposed under Federal law (including any rule or policy based on a State or outlying area interpretation of a Federal statute, regulation, or guideline), the State or outlying area shall identify, to eligible providers, the rule or policy as being imposed by the State or outlying area.