Antitrust and Trade Regulation laws aim to promote free competition in the marketplace. Agreements or cooperative efforts by two or more entities that affects or restrains competitors is illegal under these laws. The Sherman Act makes illegal any contract, combination, or conspiracy in restraint of trade or commerce and makes monopolies and attempts, combinations, or conspiracies to monopolize illegal. The Clayton Act regulate price discrimination, tying and exclusive dealing contracts, stock acquisition and interlocking directorates.
San Luis Rey is an unincorporated community in San Diego County, California, United States. San Luis Rey is along the San Luis Rey River 4 miles (6 km) northeast of Oceanside. San Luis Rey has a post office with ZIP code 92068, which was opened in 1861.