Some states, such as California, have laws that explicitly prohibit private retailers from occupying rest stops.

Chinese law prohibits retailers from copying the look and feel of competitors' stores, but enforcement is lax.

The group asked the court to prohibit gun wholesalers and retailers from selling more than one handgun to the same person in any 30-day period.

A state law, which took effect on Jan. 1, 1991, prohibits retailers that accept credit cards from using forms that have a space for personal identification like phone numbers.

The act prohibits retailers from setting expiration dates less than 5 years after a card is purchased.

Many European countries, trying to help small local bookstores compete with large chains, prohibit retailers from discounting books below the cover price.

The Consumer Protection from Unfair Trading Regulations 2008 also prohibits retailers from giving misleading information to consumers about product pricing.

State law prohibits retailers from selling cigarettes below their cost, as a come-on to customers.

And state and federal fair-trade laws allowed manufacturers to set a minimum resale price for their goods and to legally prohibit retailers from discounting them.

These manufacturers prohibit retailers from selling their products on line.