Reuters) – Top state law enforcement officials urged the U.S. Food and Drug Administration on Tuesday to promptly issue a promised set of rules governing the sale of electronic cigarettes, adding to a recent plea by prominent health organizations for action.

In 2009, the FDA was given authority to regulate cigarettes, cigarette tobacco and roll-your-own tobacco, although not pipe tobacco, cigars or e-cigarettes, battery-operated products that produce a vapor containing nicotine that is inhaled.

The law allows the FDA to expand its authority over all tobacco products, but it must first issue new regulations. The FDA has said they are in development.

In a letter to FDA Commissioner Margaret Hamburg, attorneys general from 41 states asked the agency to “take all available measures” to issue the rules by the end of October.

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