12/14/2011
https://congress.gov...
"Voluntary versus mandatory ACS studies in 2003 and 2004, the findings demonstrated an over 20 percent decrease in participation when the answers were voluntary."
"The integrity of the ACS would be fundamentally challenged, however, by Congressman Poe's bill which would remove the traditional legal requirement to answer the census questions fully and truthfully."
"the failures that you discussed earlier actually did occur during the prior administration."
"That is totally unacceptable."