15 CFR § 50.10 - Fee structure for special population censuses.
The Bureau of the Census is authorized to conduct special population censuses at the request of and at the expense of the community concerned. To obtain a special population census, an authorized official of the community should write a letter to the Associate Director for Demographic Fields, Bureau of the Census, Washington, D.C. 20233, requesting detailed information and stating the approximate present population. The Associate Director will reply giving an estimate of the cost and other pertinent information. Title 13, United State Code, section 196, Special Censuses, requires payment to the Bureau of the actual or estimated cost of each such special census.