Contact Us
Calculation questions, partnership inquiries, and privacy requests.
Have a question, partnership inquiry, or found a calculation edge case? SoloTaxKit calculators are built around official IRS guidelines, and we warmly welcome any input from you.
Calculations & Partnerships:
Report calculation discrepancies, suggest new tax features, or discuss sponsorships and affiliate partnerships.
Privacy & Regulatory:
Questions regarding our zero-backend privacy policy, CMP preferences, or regulatory compliance.
Reporting a Calculation Edge Case:
To help us verify and reproduce the statutory rule against IRS guidance, please include:
- The tool used (e.g., HSA Proration / Form 8889 or Safe Harbor / Form 1040-ES)
- Applicable tax year and scenario inputs (without sharing any sensitive personal identification)
- Expected calculation result and relevant IRS publication or IRC citation
Privacy Note: Please do NOT include Social Security Numbers, employer EINs, or confidential personal identification in your message. SoloTaxKit operates 100% in-browser memory.