Confidentiality: Data collected for the Annual Survey of State Government Tax Collections are public record and are not confidential, as authorized by Title 13, United States Code, Section 9.
Dates of Collection: The following are important dates in the data collection process:
| 10/2011 | Initial mail-out requesting source materials |
| 01/2012 | Non-response follow-up begins |
| 03/2012 | Completion of data compilation and editing |
Methods: Most of the data in this report were gathered by a mail canvass of appropriate state government offices that are directly involved with state-administered taxes. There are approximately one hundred offices that are canvassed to collect data from all fifty states. Follow-up procedures include the use of mail, telephone, and e-mail until data are received.