(1)Where an Assembly Act or a Welsh subordinate instrument authorises or requires a person (“A”) to serve a document by post on another person (“B”), A serves the document if A properly addresses, pre-pays and posts a letter containing the document to B.
(2)Where an Assembly Act or a Welsh subordinate instrument authorises or requires a person (“A”) to serve a document electronically on another person (“B”), A serves the document if—
(a)A properly addresses and sends to B an electronic communication consisting of or containing the document, or to which the document is attached, and
(b)the document is sent in an electronic form which is capable of being accessed and retained by B.
(3)This section applies whether the Assembly Act or Welsh subordinate instrument uses the word “serve” or any other expression (such as “give” or “send”) to refer to the service of the document.