He said the plant had the proper operating permits.

A decision on a commercial operating permit is expected soon after.

They were shut down for test drilling without a valid operating permit.

Any monitoring requirements are specified in a well's operating permit.

He said the number of inspectors will be specified when the department issues Rieco an operating permit.

An operating permit was issued two months after the landfill ceased operations.

I mean, my operating permit will be suspended for thirty days, and I'll have to pay a fine.

For the first time, authorities required regular radio broadcasters to seek operating permits.

Hole in floor and window, flies, no operating permit or protection certificate.

He would not be dropping or picking up any passengers and so needed no operating permit.