| ACH |
Automated Clearing House |
| AG |
Attorney General |
| CAS |
Certified Automated System |
| CO |
Corporation |
| CPA |
Certified Public Accountant |
| CSP |
Certified Service Provider |
| CSPID |
Certified Service Provider ID |
| GO |
Government |
| FEIN |
Federal Employer Identification Number |
| FIPS |
Federal Information Processing Standards |
| FTA |
Federation of Tax Administration |
| LL |
Limited Liability |
| LOST |
Local Option Sales Tax |
| MSA |
Management Science Associates |
| MTSA |
Mobile Telecommunications Sourcing Act |
| SER |
Simplified Electronic Return |
| SP |
Sole Proprietor |
| SSN |
Social Security Number |
| SST |
Streamlined Sales Tax |
| SSTGB |
Streamlined Sales Tax Governing Board |
| SSTID |
Streamlined Sale Tax Identification |
| SSTP |
Streamlined Sales Tax Project |
| SSTPID |
Streamlined Sales Tax Project Identification |
| SSTRS |
Streamlined Sales Tax Registration System |
| SSUTA |
Streamlined Sales and Use Tax Agreement |
| STJ |
Special Taxing Jurisdiction |
| STN |
Sales Tax Number |
| TIN |
Taxpayer Identification Number |
| TR |
Trusts |
| XML |
Exchange Markup Language |
