This is what the Deregulation Bill seeks to remove from PACE
www.legislation.gov.uk/ukpga/1984/60/schedule/1
" Notices of applications for orders
7An application for an order under paragraph 4 above shall be made inter partes.
8Notice of an application for such an order may be served on a person either by delivering it to him or by leaving it at his proper address or by sending it by post to him in a registered letter or by the recorded delivery service.
9Such a notice may be served—
(a)on a body corporate, by serving it on the body’s secretary or clerk or other similar officer; and
(b)on a partnership, by serving in on one of the partners.
10For the purposes of this Schedule, and of section 7 of the M1Interpretation Act 1978 in its application to this Schedule, the proper address of a person, in the case of secretary or clerk or other similar officer of a body corporate, shall be that of the registered or principal office of that body, in the case of a partner of a firm shall be that of the principal office of the firm, and in any other case shall be the last known address of the person to be served."
It involves telling someone you intend to seize documents by serving a notice on them. The argument for is that the present law is like telling a drug dealer you intend to raid their premises and allowing them an appeal to stop such from happening, meanwhile the drugs all disappear. The argument against is that journalists are not like drug dealers and should have additional protection from being raided for evidence.