As soon as may be after . . . declaring an area to be a housing action area the local housing authority shall take the following steps.
They shall publish in two more more newspapers circulating in the locality (of which one at least shall, if practicable, be a local newspaper) a notice of the resolution—
They shall take such further steps as appear to them best designed to secure—
They shall send to the Secretary of State—
They shall also send to the Secretary of State a statement of their proposals, whether general or specific, for the participation of private registered providers of social housing or (as the case may be) registered social landlords in dealing with living conditions in the area.