Section effective Oct. 17, 1976, see section 17 of Pub. L. 94–521, set out as a note under section 1 of this title.

Pub. L. 96–369, § 118, Oct. 1, 1980, 94 Stat. 1357, provided that: “Notwithstanding any other provision of law, when the President determines that a State, county, or local unit of general purpose government is significantly affected by a major population change due to a large number of legal immigrants within six months of a regular decennial census date, he may order a special census, pursuant to section 196 of title XIII of the United States Code [this section], or other method of obtaining a revised estimate of the population, of such jurisdiction or subsections of that jurisdiction in which the immigrants are concentrated. If the President decides to conduct a special census, it may be conducted solely at Federal expense.”

Ex. Ord. No. 12256, Dec. 15, 1980, 45 F.R. 83189, which required the Bureau of the Census to supply estimates of the number of legal immigrants within certain jurisdictions, was revoked by Ex. Ord. No. 12553, Feb. 25, 1986, 51 F.R. 7237.