Nothing in these regulations affects the validity of anything done by, or in relation to, an agency in, or in connection with, the exercise of the functions entrusted to it by the relevant instrument.

Nothing in these regulations affects the validity of anything done by, or in relation to, the London Development Agency in, or in connection with, the exercise of the functions entrusted to it by the London Regulations.

Anything done by an agency for the purposes of, or otherwise in connection with, the exercise of the functions entrusted to it by the relevant instrument is to be treated as having been done by the Managing Authority.

Anything done by the London Development Agency for the purposes of, or otherwise in connection with, the exercise of the functions entrusted to it by the London Regulations, is to be treated as having been done by the Greater London Authority.

So far as is necessary for the application of paragraphs (3) and (4) of this regulation, a reference in any document to the agency shall be read as a reference to the Managing Authority and a reference in any document to the London Development Agency shall be read as a reference to the Greater London Authority.