In general

The Secretary may require, for each public housing agency that is at risk of being designated as troubled under section 1437d(j)(2) of this title or is designated as troubled under section 1437d(j)(2) of this title , that the public housing agency plan for such agency include such additional information as the Secretary determines to be appropriate, in accordance with such standards as the Secretary may establish or in accordance with such determinations as the Secretary may make on an agency-by-agency basis.