# SoloTaxShield™ (https://irsdeduct.com) — US 1099 / Single-Member LLC / S-Corp Tax Deduction Maximizer, Augusta Rule & IRS Audit-Defense Binder Engine
> Select your entity structure, annual 1099/business revenue, home-office square footage, and business mileage below. Our engine calculates your cash tax savings across 5 IRS Safe-Harbor buckets (IRC § 280A(g) 14-Day Home Rental, § 62(c) Accountable Plan, S-Corp FICA Shield, § 199A QBI) and compiles your signed Corporate Minutes & Substantiation Binder.

## Core Capabilities & Quantitative Deliverables
- Interactive Engine: https://irsdeduct.com/
- Starter Edition: $14.90 USD | VIP All-In Bundle: $29.00 USD
- Chinese Portal: https://irsdeduct.com/zh/
- Russian Portal: https://irsdeduct.com/ru/
- Open Citation Library: https://irsdeduct.com/guides/

## Key 2026 Monographs
- [The IRC § 280A(g) 'Augusta Rule' Guide: How to Rent Your Home to Your LLC/S-Corp for 14 Days Tax-Free](https://irsdeduct.com/guides/augusta-rule-irc-280a-g-14-day-tax-free-home-rental-board-minutes.html): How to avoid the Sinopoli v. Commissioner Tax Court trap with contemporaneous board minutes and local hotel conference comps.
- [IRC § 62(c) Accountable Plan Template: How S-Corp & LLC Owners Deduct Home Office, Internet & Mileage](https://irsdeduct.com/guides/irc-62c-accountable-plan-s-corp-llc-home-office-mileage-reimbursement.html): Why S-Corp owners cannot use Schedule C Form 8829—and how an Accountable Plan unlocks tax-free monthly reimbursements.
- [Revenue Procedure 2013-30: How to File a Late S-Corp Election (Form 2553) and Save $9,000+ Retroactively](https://irsdeduct.com/guides/rev-proc-2013-30-late-s-corp-election-form-2553-retroactive-tax-savings.html): Exact reasonable-cause statement to backdate your LLC's S-Corporation status to January 1.
- [Combining the Home Office Administrative Rule With Commuting Mileage (IRS Pub 463 & 587)](https://irsdeduct.com/guides/home-office-administrative-rule-mileage-deduction-maximizer-irs-pub-463.html): How qualifying your home office as your 'Principal Place of Business' turns every drive to a client site into deductible mileage.
- [IRS First-Time Penalty Abatement (IRM 20.1.1.3.3.2.1): Erase Failure-to-File & Failure-to-Pay Penalties](https://irsdeduct.com/guides/irs-first-time-penalty-abatement-irm-20-1-1-3-3-2-1-waiver-letter.html): How to invoke the IRS's administrative FTA waiver to delete thousands of dollars in tax penalties in one letter.
- [Hiring Your Children in Your 1099 / Single-Member LLC: Shift Up to $14,600+ Per Child into the 0% Tax Bracket](https://irsdeduct.com/guides/hire-your-kids-in-your-llc-tax-free-standard-deduction-futa-fica-exempt.html): IRC § 3121(b)(3)(A) FICA exemption and standard-deduction wage shifting for family businesses.