Complex sentence: This amendment was transposed into United Kingdom law by the Units of Measurement Regulations 1994 and at the same time regulations were passed prescribing metric quantities by which the last outstanding pre-packaged retail commodities should be sold.
Split into simpler sentences: This amendment was transposed into United Kingdom law by the Units of Measurement Regulations 1994. At the same time, regulations were passed prescribing metric quantities by which the remaining pre-packaged retail commodities not yet defined in metric terms could be sold.