Contact person: Business Client

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Location: Gridley, United States

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I maintain a mature Visual Basic 6.0 accounting package that has been in continuous commercial use for three decades. The IRS has just released the 2026 inflation adjustments, and the “One, Big, Beautiful Bill” adds several new parameters I must ship to customers on January 1, 2026.

Your assignment is to revise the PERSONAL income-tax module only. The scope covers:
• Re-calibrating all tax brackets to the 2026 ranges.
• Updating the standard deduction figures.
• Applying the new credit and deduction limits introduced in the legislation.

I will integrate and run my own regression tests, so I need the working code, clear notes on every touched routine, and a quick change log no later than November 30, 2025. During October–November we will do two feedback cycles to tighten edge-case maths and confirm identical outputs across my historic test set. Legacy code has ample comments and still compiles cleanly in VB6/COM; no migration is required—just targeted logic changes.

Deliverables
1. Updated .vbp, .bas, and .frm files with all 2026 constants and formulas.
2. A concise technical memo (Word or PDF) describing each change and the authoritative IRS source you matched.
3. A simple test harness or instructions so I can reproduce your unit tests in the VB6 IDE.

You should be comfortable reading long-standing VB6 patterns, avoiding side effects in shared modules, and writing arithmetic that remains crystal-clear for the next round of changes. If you have successfully patched legacy tax software before, please mention it—domain familiarity will speed us up.

I’m responsive, provide rapid clarifications, and people who have worked on this code base tell me it’s unusually tidy for its age. Let’s get it ready for another smooth release." (client-provided description)