(1) Any agreement which constitutes a variation of or an amendment to any one or more of the agreements specified in Part I of this Schedule or which constitutes a variation of or an amendment to any other agreement to which this paragraph applies.
(2) The condition which must be satisfied by an agreement of a description specified in sub-paragraph (1) above is that—
(a) it does not add to or extend any restrictions or information provisions contained in the agreement which it varies or amends; or
(b) it is in the terms of a draft of which a copy is provided to the Department not less than 21 days before the date on which the agreement is made and in respect of which the Department does not, within 21 days of the provision of the copy, give notice of objection to the party providing it; or
(c) it contains a provision that any restrictions or information provisions which it contains or any provision adding to or extending any restrictions or information provisions contained in the agreement which it varies or amends shall not take effect or shall cease to have effect—
(i) if a copy of the agreement is not provided to the Department within 14 days of the date on which the agreement is made, or
(ii) if, within 28 days of the provision of the copy, the Department gives notice of objection to the party providing it.