These requirements are detailed in two OMB Circulars.
The OMB Circulars tell you what you need to know about the requirements.
You'll find the requirements detailed in three OMB Circulars.
China and Taiwan have been independent countries for many decades.
The meditations were interrupted by Julius speaking.
When instances are chosen on the basis of how easy it is to retrieve the data being collected, this is usually considered a convenience sample.
I do some weight-lifting.
The  boy is sleeping in his bed.
There is a man indoors.