...laid down in the Clayton Act prohibiting discrimination in price between different customers where the effect of such discrimination may be to substantially lessen competition or tend to create a monopoly still exists and no proposal for change has been made. The first paragraph...

...unlawful for any person engaged In commerce to discriminate in price between different purchasers where the effect of such discrimination may be to substantially lessen competition or tend to create a monopoly, provided that nothing herein contained shall prevent discrimination in price...

...for any person ... to discriminate in prices between different purchasers of commodities . . . where the effect of such discrimination may be to substantially lessen competition or tend to create a monopoly in any line of commerce. Provided, That nothing herein contained shall prevent...

...discriminate in price in interstate or foreign commerce between different purchasers of commodities " where the effect of such discrimination may be to substantially lessen competition or tend to create a monopoly in any line of commerce: Provided, That nothing herein contained shall prevent...

...Columbia or any insular possession or other place under the jurisdiction of the United States, where the effect of such discrimination may be to substantially lessen competition or tend to create a monopoly in any line of commerce: Provided, That nothing herein contained shall prevent...

...(1) Price discriminations in connection with interstate commerce are declared to be unlawful, "where the effect of such discrimination may be to substantially lessen competition or tend to create a monopoly. ' ' Provisos permit differences based on grade, quality, or the quantity...

...directly or indirectly discriminate In price between different purchasers of commodities . . . where the effect of such discrimination may be to substantially lessen competition or tend to create a monopoly in any line of commerce; provided that nothing contained [In the Aet] shall...

...Columbia or any insular possession or other place under the jurisdiction of the United States, where the effect of such discrimination may be to substantially lessen competition or tend to create a monopoly in any line of commerce: Provided, that nothing herein contained shall prevent...

...Columbia or any insular possession or other place under the jurisdiction of the United States, where the effect of such discrimination may be to substantially lessen competition or tend to create a monopoly in any line of commerce: Provided, That nothing herein contained shall prevent...

...Columbia or any insular possession or other place under the jurisdiction of the United States, where the effect of such discrimination may be to substantially lessen competition or tend to create a monopoly in any line of commerce: Provided, That nothing herein contained shall prevent...