166.37  Price of virus.
  Persons holding permits, either as manufacturers or dealers, shall sell all biological products at a uniform price to all persons to whom sales are made. No rebate on said price shall be given, either directly or indirectly, in any manner whatsoever.
[C24, 27, 31, 35, 39, §2741; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §166.37]