Paragraph

for any sublet part of the dwelling-house which is a dwelling-house let on a protected tenancy or subject to a statutory tenancy is or was in excess of the maximum rent for the time being recoverable for that part, having regard to . . . F1 Part III of this Act, or

for any sublet part of the dwelling-house which is subject to a restricted contract is or was in excess of the maximum (if any) which it is lawful for the lessor, within the meaning of Part V of this Act to require or receive having regard to the provisions of that Part.