However, state laws in the United States prohibit manufacturers from selling directly, and customers must buy through a dealer.

Canada and many other countries prohibit manufacturers from including secondary active ingredients for the above reason; their Talwin PX does not contain naloxone.

Federal law actually prohibits manufacturers from making disease-prevention claims on food labels.

But there are other ways to guard against illegal trade, such as prohibiting generic manufacturers from mimicking the packaging of patented drugs.

The proposal would also prohibit manufacturers from combining ephedrine with other substances known to have a stimulant effect, like caffeine.

For example, it might prohibit manufacturers from charging more than cost for their implants until the additional safety data are produced.

Restricted keys are often protected by patent, which prohibits other manufacturers from making unauthorized productions of the key blank.

The report does not prohibit manufacturers from making products which do not meet the standards, and the responsibility thus lies with the market.

No Place Else for Disposal Federal law prohibits manufacturers from storing hazardous waste for longer than 90 days.

Federal law prohibits manufacturers from storing hazardous wastes for longer than 90 days.