Author/Creator
- United States. Congress. House. Committee on Ways and Means25
- United States. Congress. Joint Committee on Taxation15
- United States. Congress. Senate. Committee on Finance14
- United States10
- United States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Transportation and Aeronautics8
- United States. Congress. Joint Committee on Internal Revenue Taxation7
- United States. Department of State7
- United States. Congress. House. Committee on Ways and Means6
- United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Aviation5
- United States. Congress. Senate. Committee on Commerce. Aviation Subcommittee4
- United States. Congress. Senate. Committee on Finance3
- Bolivia2
- Greenland2
- India2
- Singapore2
- United States. Congress. Joint Committee on Taxation2
- United States. Congress. Joint Committee on Taxation, author2
- Cabo Verde1
- Cape Verde1
- Kuwait, enacting jurisdiction1