resale price maintenance
noun[U]
COMMERCE,FINANCEukus(alsoretail price maintenance);(abbreviationRPM)asystemin which thepriceofgoodsiscontrolledby themanufacturer, so thatsellersare notallowedtoreducethepriceforcustomers:
The Monopolies and MergersCommissionrecommendedan end to resalepricemaintenance.