TAX GUIDES
These CPA-reviewed resources explain common tax questions in plain English. They provide general information and are not a substitute for advice based on your specific facts.
TOPIC COLLECTIONS
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FREE DEADLINE CALENDAR
Review the four general installment dates for calendar-year individuals and download them as a calendar file. State dates and individual circumstances can differ.
FREE TAX TOOLS
Use a private, no-sign-up planning tool to organize the facts behind a common tax question before deciding whether individual CPA help is needed.
PROFESSIONAL-SELECTION CHECKLISTS
Use these printable checklists and comparisons to evaluate scope, records, deliverables, and professional roles before selecting tax, accounting, or finance support.
Real Estate Tax
Use this checklist to compare CPA experience, records, deliverables, and specialist roles for rentals, short-term rentals, cost segregation, 1031 exchanges, and property sales.
Printable selection checklist
Read checklistIRS & State Tax Problems
Compare representation rights, engagement scope, records, deadlines, and questions to ask when choosing help for an IRS notice, audit, penalties, back taxes, liens, or levies.
Printable selection checklist
Read checklistMulti-State & International Tax
Use this checklist to compare U.S. expat, foreign-national, FBAR, Form 8938, treaty, foreign-entity, multi-state, scope, record, and deadline experience.
Printable selection checklist
Read checklistAccounting & Finance Advisory
Compare transaction bookkeeping, month-end close, financial reporting, controls, forecasting, KPIs, tax coordination, and management responsibilities.
Printable role comparison
Read comparisonPLAIN-ENGLISH RESOURCES
Each guide includes its author, dates, reading time, primary government sources, and links to related services and resources.
INTERNATIONAL TAX
Learn who may need Form 5471, how filer categories and ownership changes affect the review, when the form is filed, and what records to organize.
INTERNATIONAL TAX
Learn when Form 8858 may apply to a foreign disregarded entity or foreign branch, how it is filed, and what ownership and accounting records to organize.
INTERNATIONAL TAX
Learn when a foreign fund or corporation may require Form 8621, why each PFIC is reviewed separately, and what investment records to organize.
INTERNATIONAL TAX
Review current FinCEN BOI guidance for foreign companies registered in the United States, including the domestic-entity exemption, deadlines, and review steps.
INDIVIDUAL TAXES
A practical checklist of identity, income, deduction, payment, and life-event records to organize before individual tax-return preparation.
SELF-EMPLOYMENT
A practical checklist of income, expense, asset, vehicle, home-office, and estimated-tax records commonly needed for Schedule C preparation.
BUSINESS STRUCTURE
A plain-English comparison of federal filing, payroll, administration, and owner-tax considerations for a sole proprietor and an S corporation.
ESTIMATED TAXES
Learn when estimated-tax payments may be needed, what records support a calculation, and why payments should be revisited after income changes.
ESTIMATED TAXES
Missed a 2026 estimated tax payment? Learn how timing, catch-up payments, withholding, Form 2210, and annualized income affect next steps.
RENTAL PROPERTY
Can you deduct a rental repair or must you capitalize it? Apply IRS Publication 527 to roofs, HVAC, painting, appliances, and other common projects.
RENTAL PROPERTY
A practical checklist of rental income, expenses, improvements, depreciation, financing, use, and sale records to gather before tax preparation.
SHORT-TERM RENTALS
Learn how services, average stay, material participation, and personal use affect short-term rental reporting, passive losses, and self-employment tax.
TAX NOTICES
A calm checklist for identifying an IRS notice, protecting its deadline, comparing it with your return, and organizing a response.
IRS COLLECTION
Learn how a federal tax lien differs from an IRS levy, what release, withdrawal, discharge, and subordination mean, and which notices and dates to review.
S CORPORATION ELECTIONS
Learn when Form 2553 is due, how the requested effective date affects timing, when late-election relief may apply, and what records to keep after filing.
REMOTE WORK & MULTI-STATE TAX
A CPA-reviewed guide to wage sourcing, withholding, workdays, and nonresident returns for Florida residents working for New York or New Jersey employers.
MOVE-YEAR & MULTI-STATE TAX
A CPA-reviewed guide to New York part-year and nonresident returns after a move to Florida, including residency, remote work, records, and source income.
NEW YORK RESIDENCY & MULTI-STATE TAX
Moved to Florida but kept New York ties? Learn how domicile, a permanent place of abode, and the 184-day statutory-residency test can affect filing.
MOVE-YEAR & MULTI-STATE TAX
A CPA-reviewed guide to New Jersey part-year and nonresident returns after a move to Florida, including residency, wages, property, records, and source income.
MULTI-STATE TAX
Learn when resident, part-year, or nonresident state returns may be required, which records to gather, and how sourcing and credits affect filing.
INFORMATION RETURNS
Learn what Form 1099-K reports, why gross payments may differ from taxable income, and which records help explain business and personal transactions.
REAL-ESTATE DEPRECIATION
A cautious overview of what a cost-segregation study does, the records it needs, and why depreciation classification must be supportable.
PARTNERSHIP TAXES
A practical guide to the records, partner information, and owner-level coordination commonly needed for Form 1065 and Schedule K-1 preparation.
C CORPORATION TAXES
A practical guide to Form 1120 preparation, corporate records, shareholder transactions, payroll, estimated payments, and owner-level coordination.
SALES TAX
A practical guide to reviewing sales tax obligations, registering with the right states, filing returns, keeping records, and preparing for notices or audits.
FLORIDA SALES TAX REGISTRATION
Learn when a Florida business may need sales-tax registration, what the DR-1 asks for, what arrives after approval, and how filing obligations begin.
SALES TAX AUDITS
Received a Florida DR-840 sales tax audit notice? Review the 60-day pre-audit period, records, representation, findings, and protest deadlines.
ESTIMATED TAXES
Learn how the federal estimated-tax safe-harbor framework works, why payment timing matters, and when an uneven-income calculation may help.
RENTAL PROPERTY
Learn when rental-property depreciation begins, why land is excluded, how improvements differ from repairs, and which records support the calculation.
EQUITY COMPENSATION
A plain-English guide to the tax timing, records, withholding, basis, AMT, and sale reporting questions that can arise with RSUs, ISOs, and NSOs.
EQUITY COMPENSATION
Learn how to compare RSU wage withholding with projected federal and state tax, estimated payments, other income, and payment deadlines.
EQUITY COMPENSATION
Learn how an incentive stock option exercise can affect alternative minimum tax, estimated payments, Form 3921 records, and later sale reporting.
EQUITY COMPENSATION
Learn how to reconcile RSU wage income, vesting and sale records, broker-reported basis, Form 8949 adjustments, and state reporting.
EQUITY COMPENSATION
Learn how nonstatutory stock options can create wage income at exercise, basis records for acquired shares, and a separate gain or loss at sale.
EQUITY COMPENSATION
Plan for pre-IPO RSU, ISO, and NSO tax questions involving settlement, AMT, withholding, estimated payments, liquidity, records, and multiple states.
TAX PLANNING
A year-end checklist for reviewing income, withholding, estimated payments, business and rental records, major transactions, and filing readiness.
RENTAL PROPERTY SALES
Review adjusted basis, depreciation, selling costs, Form 4797, passive losses, NIIT, state returns, and 1031 timing before selling a rental.
RENTAL PROPERTY SALES
Learn how allowed-or-allowable depreciation affects rental-property basis, Section 1245 and 1250 gain, Form 4797, and the 25% maximum-rate rule.
LIKE-KIND EXCHANGES
Review the 45-day identification deadline, 180-day receipt rule, tax-return due-date limit, qualified intermediary timing, and Form 8824 records.
DENTAL PRACTICES
Use this dental-practice checklist to organize entity, revenue, payroll, equipment, bookkeeping, owner, estimated-tax, and notice records for tax preparation.
RENTAL PROPERTY
Learn the IRS tests for real estate professional status, why material participation is a separate requirement, and which time and activity records to organize.
PARTNERSHIP TAXES
Learn why a partner's outside tax basis is not the same as the Schedule K-1 capital account, how liabilities can affect basis, and which records partners should retain.
ESTIMATED TAXES
Florida has no personal income tax, but residents may still owe federal estimates and some businesses may owe Florida corporate estimates. See the 2026 rules.
ESTIMATED TAXES
See 2026 New York estimated tax due dates, the general $300 threshold, Form IT-2105, payment methods, and when a changing income picture calls for a new projection.
ESTIMATED TAXES
See 2026 New Jersey estimated tax due dates, the general $400 threshold, Form NJ-1040-ES, payment methods, and when income changes require a new estimate.
EQUITY COMPENSATION
Exercised incentive stock options? Learn how Form 3921 inputs, AMT, withholding, estimated-tax targets, payment dates, and a same-year sale can affect the next payment decision.
ESTIMATED TAXES
Learn how S corporation owners coordinate Form 1040-ES, W-2 withholding, Schedule K-1 income, distributions, entity-level tax, state payments, and quarterly estimates.
EQUITY COMPENSATION
Received Form 3921 after exercising incentive stock options? Learn how its dates, exercise price, fair market value, and shares affect AMT and later sale reporting.
EQUITY COMPENSATION
Sold ISO shares before meeting the holding periods? Learn how a disqualifying disposition can affect W-2 income, Form 8949 basis, capital gain, and AMT.
EQUITY COMPENSATION
Paid AMT after exercising ISOs? Learn how Form 8801 calculates the prior-year minimum tax credit, limits current use, and tracks any carryforward.
FLORIDA SALES TAX
Review Florida sales tax filing rules and the official 2026 electronic-payment cutoffs for monthly, quarterly, semiannual, and annual filers.
FLORIDA SALES TAX
Learn how Florida's remote-seller threshold, physical presence, marketplace collection, direct sales, and county surtax can affect registration.
FLORIDA SALES TAX
Learn when a Florida Annual Resale Certificate can be used, how sellers document resale transactions, when it expires, and how to renew it.
MULTI-STATE TAXES
Learn how a New Jersey resident with New York wages may handle Form IT-203, NJ-1040, Schedule NJ-COJ, remote workdays, and state withholding.
EQUITY COMPENSATION
Learn how Form 3922, W-2 compensation, Form 1099-B, holding periods, and cost basis fit together when employee stock purchase plan shares are sold.
FARM TAXES
Use this 2026 Schedule F checklist to organize farm income, USDA and insurance payments, expenses, equipment, payroll, estimates, and related records.
INTERNATIONAL TAX
Learn how U.S. income-tax filing, foreign income, foreign tax credits, the foreign earned income exclusion, state returns, and foreign-account reporting can apply to Americans abroad.
INTERNATIONAL TAX
Learn who may need to file an FBAR, how the $10,000 aggregate threshold works, when FinCEN Form 114 is due, and why FBAR is separate from Form 8938.
INTERNATIONAL TAX
Compare Form 8938 and the FBAR, including who files, covered foreign assets, reporting thresholds, where each form is filed, and why one does not replace the other.
INTERNATIONAL TAX
Compare the foreign tax credit and foreign earned income exclusion, including income covered, Forms 1116 and 2555, qualification tests, and coordination limits.
INTERNATIONAL TAX
Learn the 31-day and weighted 183-day substantial presence test, which days may be excluded, and how resident, nonresident, and dual-status tax filing can differ.
INTERNATIONAL TAX
Learn who may need an ITIN, how Form W-7 connects to a federal tax purpose, which identification documents are required, and where an application can be submitted.
R&D TAX CREDIT
Learn how the federal R&D tax-credit four-part test, business components, qualified research expenses, exclusions, and documentation apply.
R&D PAYROLL TAX CREDIT
Learn the qualified-small-business rules, timely Form 6765 election, Form 8974 process, payroll coordination, and documentation for the R&D payroll tax credit.
SECTION 174A
Understand current domestic R&E deductions, optional amortization, foreign research treatment, 2022–2024 transition rules, and the connection to Form 6765.
GENERAL GUIDANCE IS A STARTING POINT
A free call can help identify the service, information, and timing involved. Do not send tax documents through the public contact form.
