No provision of this title shall prevent the Commissioner from authorizing any brewery to sell and to deliver beer to any person in this State who holds a license to receive and resell beer, if a duplicate bill of each sale is filed with or mailed to the Commissioner, provided that the Commissioner shall not authorize the resale and delivery of beer to licensees within this State by any brewery whose total domestic sales, when including all affiliated licenses whether in or out of this State, exceeds 6 million barrels of beer in a single calendar year.