That law became the template for statutes subsequently enacted by other states.
"It is the single most poorly drafted statute ever enacted by Congress," he said in an interview.
However, almost all jurisdictions have enacted statutes that require a writing in such situations.
Rather, limits on the authority granted to a federal agency occur within the statutes enacted by Congress.
Of 354 such statutes enacted since 1789, when Congress was created, 95 were enacted from 1981 to 1989.
The statute, enacted in 1971, only dealt with drugs.
But in 1996, Congress enacted tough statutes intended to curtail health care fraud.
The act is the most controversial of the great wave of environmental statutes enacted in the early 1970's.
As of 2011, the Central Government has enacted 44 labour related statutes.
They expect more states to enact similar statutes.