| 2020 Latino Tax Professionals Association Focus Groups PDF | SU-5487 |
| 2024 Customer Experience, Expectations and Needs (CEEN) Focus Groups PDF | SU-1550 |
| 2024 IRS Nationwide Tax Forums Digital Asset Compliance PDF | SU-1267 |
| 2024 IRS Nationwide Tax Forum Form 2290 Heavy Highway Vehicle Tax PDF | SU-1264 |
| 2024 IRS Nationwide Tax Forum Interaction with IRS Examiners Feedback PDF | SU-1260 |
| 2024 IRS Nationwide Tax Forum Online Tools Feedback PDF | SU-1270 |
| 2024 IRS Nationwide Tax Forum Reasonable Cause Penalty Relief Feedback PDF | SU-1274 |
| 2024 Nationwide Tax Forum UES Research PDF | SU-1329 |
| 2024 IRS Nationwide Tax Forum Written Information Security Plan Feedback PDF | SU-1269 |
| 2024 CEEN Survey PDF | SU-1242 |
| 2024-02 IRS.gov First Time Filer Journey Usability Test Round 2 PDF | SU-1130 |
| 2024 Needs and Engagement Survey of Tax Professionals (NEST) Cognitive Interviews PDF | SU-1556 |
| 2024 Needs and Engagement Survey for Tax Professionals (NEST) Focus Groups PDF | SU-1620 |
| 2025 IRS Nationwide Tax Forum Internal Revenue Manual (IRM) Usage PDF | SU-2180 |
| 2025 IRS Nationwide Tax Forums Written Information Security Plan Interviews PDF | SU-2181 |
| American Customer Satisfaction Index Survey PDF | SU-3898 |
| Automated Collection System (ACS) Customer Satisfaction Survey (CSAT) (Toll-Free IVR) PDF | SU-5801 |
| Automated Collection System (ACS) Text Chat Survey PDF | SU-3760 |
| Automated Collection System Support (ACSS) Customer Satisfaction Survey (Mail) PDF | SU-4004 |
| Automated Underreporter Customer Satisfaction PDF | SU-1970 |
| Business Tax Account PDF | SU-1328 |
| Business Tax Account Ad Hoc Recurring Research PDF | SU-1652 |
| Business Tax Account (BTA) Entity Authorization PDF | SU-1357 |
| Business Tax Account (BTA) Survey PDF | SU-1351 |
| Campus Correspondence Exam Customer Satisfaction PDF | SU-1972 |
| Central Insolvency Operation (CIO) Interviews PDF | SU-1800 |
| Centralized Referrals Intake Processing (CRIP) Ad Hoc Recurring Research PDF | SU-1683 |
| Chatbot personality unmoderated ut 2024 PDF | SU-1449 |
| Clean Energy Usability Testing PDF | SU-7961 |
| Compliance Services Collection Operation PDF | SU-1982 |
| Comprehensive Taxpayer Attitude Survey PDF | CTAS |
| Correspondence Exam Secure Messaging Survey PDF | SU-5713 |
| Credential Service Provider (CSP) Usability Research PDF | SU-5528 |
| Determinations Customer Satisfaction Survey and Examinations Customer Satisfaction Survey PDF | SU-1985 |
| Digital Account Service Room at 2024 Nationwide Tax Forum PDF | SU-1215 |
| Direct File Customer Service Experience Survey PDF | SU-1815 |
| Direct File Usability Testing PDF | SU-1876 |
| Direct File Real Data Observation Usability Testing PDF | SU-1878 |
| Direct File User Observation Research PDF | SU-1031 |
| Earned Income Tax Credit (EITC) Due Diligence (DD) Survey PDF | SU-1477 |
| E-help Desk Focus Groups PDF | SU-1401 |
| Employer Identification Number Usability Test PDF | SU-1153 |
| Enrolled Agent Special Enrollment Examination Cust Sat Survey PDF | SU-1500 |
| External Customer Satisfaction Survey PDF | SU-3856 |
| Field Compliance Safety Focus Groups PDF | SU-5195 |
| Field Examination Customer Satisfaction Survey PDF | SU-1979 |
| Free File Prototype Usability Test PDF | SU-1048 |
| Future State User Experience Research Study PDF | SU-1253 |
| FY24 Taxpayer Advocate Service Customer Satisfaction Survey PDF | SU-1234 |
| Gig Economy Worker Focus Groups PDF | SU-4432 |
| Increasing Refundable Credit Taxpayer Participation PDF | SU-1303 |
| Individual Online Account In App Notification User Testing PDF | SU-1375 |
| Individual Online Account (IOLA) Survey PDF | SU-1462 |
| Injured Spouse Customer Satisfaction Survey PDF | SU-2476 |
| Innocent Spouse Customer Satisfaction Survey PDF | SU-1978 |
| Installment Agreement Create a Short-Term Payment Plan PDF | SU-5768 |
| Internal Revenue Service Customer Callback Number Focus Groups PDF | SU-2017 |
| IRA_ CHIPS - Clean Vehicle Dealers PDF | SU-7972 |
| IRS Exit Survey PDF | SU-2072 |
| IRS.gov Personalization & Login 1 PDF | SU-1018 |
| IRS.gov Sitewide Survey PDF | SU-1454 |
| IRS.gov Unauthenticated Experiences Ad Hoc Recurring Research PDF | SU-1545 |
| Large Business and International (LB&I) – Compliance Assurance Process (CAP) Survey PDF | SU-2058 |
| Large Business and International – Domestic Customer Satisfaction Survey PDF | SU-2059 |
| Large Business and International – International Customer Satisfaction Survey PDF | SU-2060 |
| Low Income Tax Clinic (LITC) Focus Groups PDF | SU-5917 |
| Media and Publications - 2024 Business Taxpayers Survey PDF | SU-1530 |
| Media and Publications - 2024 Individual Taxpayers Survey PDF | SU-1529 |
| Media and Publications - 2024 Tax Return Preparers Survey PDF | SU-1392 |
| MITRE Research Project: Understanding Taxpayer Motivation PDF | SU-5653 |
| Needs and Engagement Survey of Tax Professionals Survey PDF | SU-1491 |
| OLS Digital Communication Options PDF | SU-1324 |
| Online Accounts Ad Hoc Recurring Research PDF | SU-1995 |
| Over-the-Phone Interpreter Taxpayer Feedback - Customer Satisfaction Survey PDF | SU-1079 |
| Privacy Collection Agency (PCA) Customer Satisfaction PDF | SU-1963 |
| Reoccurring Usability Testing 2025 PDF | SU-1446 |
| Sales Tax Deduction Calculator Redesign Taxpayer User Testing PDF | SU-5928 |
| Sales Tax Deduction Calculator Redesign Tax Professional User Testing PDF | SU-5929 |
| Simple Notice Initiative Focus Group PDF | SU-1249 |
| Small Business/Self Employed (SBSE) Field Collection Customer Satisfaction Survey PDF | SU-1968 |
| TAS Customer Satisfaction Survey PDF | SU-5616 |
| TAS Website Site Satisfaction Questions PDF | SU-5712 |
| Tax Court Settlement Day Participant Evaluation PDF | SU-5451 |
| Tax Pro Account Ad Hoc Recurring Research PDF | SU-1641 |
| TaxPro Account Business POA_TIA, Link a Business CAF & Manage CAF PDF | SU-1332 |
| Tax Pro Account (TPA) Survey PDF | SU-1463 |
| Tax Pro Account User Testing Fall 2020 PDF | SU-5556 |
| Tax Pro Authorizations in OLA Round 3 User Test PDF | SU-5830 |
| Taxpayer Communication Tool Ad Hoc Recurring Research PDF | SU-1585 |
| Taxpayer Digital Communication Survey PDF | SU-5755 |
| Taxpayer Digital Communications (TDC) Automated Underreporter (AUR) Survey PDF | SU-5618 |
| Taxpayer Experience Survey Focus Groups PDF | SU-5545 |
| Taxpayer Experience Survey PDF | SU-6090 |
| Tax Professional Journey Using IRS Resources and Applications PDF | SU-1203 |
| TFA 1099 UT Fall 2020 PDF | SU-5502 |
| TFA 1099 UT Round 4-5 Fall 2020 PDF | SU-5632 |
| TSO Taxpayer Interviews PDF | SU-1365 |
| Usability Testing-Mediabarn: FY2021-2023 PDF | SU-5442 |
| Usability Testing-MITRE: 2020-2022 PDF | SU-5599 |
| VITA GenAI Proof of Concept (usability review portion) PDF | SU-1402 |
| Volunteer Income Tax Assistance (VITA) Generative Artificial Intelligence (GenAI) Chatbot Proof of Concept (PoC) PDF | SU-1680 |
| Volunteer Income Tax Assistance/Tax Credits for the Elderly (VITA/TCE) Volunteer and Partner Recruitment PDF | SU-1838 |
| W&I Reporting Compliance Closed Correspondence Exam PDF | SU-1534 |
| Wage & Investment E-Help Desk Focus Groups PDF | SU-5744 |
| Where’s My Amended Return (WMAR) Survey PDF | SU-1476 |
| Where's My Refund (WMR) Survey PDF | SU-1464 |
| Where’s My Refund (WMR) / Where’s My Amended Return (WMAR) Voicebot Customer Satisfaction Survey PDF | SU-1822 |
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