(1) For purposes of 204 CMR 6.03, "item" shall mean a case of distilled spirits product identified by brand or trade name and by the name of the distiller, size of containers, age and proof (if stated on the label), and number of containers in the case; or a case of wine identified by brand or trade name; or a case malt beverages identified by brand or trade name.(2) No wholesaler shall sell to any retailer, and no retailer shall purchase from any wholesaler, any brand of a lcoholic beverages unless a price list shall have been furnished by the wholesaler to the retailer and the original of such price list shall have been filed with the Commission, in the manner hereinafter provided.(3) A copy of each wholesaler's price list shall be furnished to each retailer prior to the month in which the prices and discounts set forth in such price list are to be effective. The original of the price list shall be filed with the Commission no later than 5:00 p.m. on or before the fifth day of each month and only those prices and discounts set forth therein, or amended in accordance with the provisions of 204 CMR 6.05, shall become effective on the first day of the calendar month following the filing of such price list and shall be in effect for that calendar month only. A new complete price list shall be filed by wholesalers each month.(a) When the fifth day of the month falls on a Saturday, Sunday or legal holiday, the price list shall be filed with the Commission no later than 5:00 p.m. on the next business day.(b) Price schedules which are not filed within the time limits stated above shall be rejected by the Commission and the wholesaler's price list then in effect shall be the price list effective for the next 30 day period.(c) Prices of new items may be filed with the Commission at any time.(4) Each price list shall identify the wholesaler filing it by name, address and license number and shall be in the form prescribed by the Commission.(5) Each price list shall contain, with respect to each item, the exact brand or trade name, size of containers, nature of contents, age and proof (if stated on the label), number of containers in a case, price of a container, all discounts and net price of the item to retailers. (a) Discounts shall be stated in American monetary terms only.(b) All prices and discounts shall be individual for each item and not in combination with any other item.(c) All of the foregoing information shall be set forth in the body of the price list, in columns immediately adjacent to the listing of the individual item to which it relates.(6) A wholesaler shall be deemed to be in compliance with the requirement of furnishing his price list to each retailer whether he uses the direct mail method or causes his prices to be published, within the time prescribed for the filing of such price list with the Commission, in a specialized trade publication approved by the Commission.