(1) Except where the Registrar makes some other provision in the notice of the meeting, no postal vote is effective in relation to a meeting unless the postal vote, and any accompanying documents required by regulation 18(4) of these regulations, are received by the Registrar of the Maori Land Court for the district in which the land is situated at least 48 hours before the time fixed for the meeting and that Registrar is satisfied that the postal vote and any such accompanying documents are in order.