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]
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