The Litmus tax library
Prepare for your next tax filing
Practical guides to individual and business tax returns, international filing questions, ITIN applications and EIN administration.
60 articles found.
ITIN
Renewing an Expired ITIN Before Filing Taxes
Check when an expired ITIN needs renewal, prepare W-7 and supporting documents, and coordinate the renewal with your federal income tax return.
Read article ↗Individual Tax
Rental Property Tax Records for Schedule E
Organise rental income, expenses, deposits, improvements and property history into a Schedule E file that supports a careful individual tax return review.
Read article ↗Business Tax
S Corporation Tax Returns and Shareholder Eligibility
Review S corporation eligibility, election evidence, payroll, shareholder records and Form 1120-S preparation before assuming your business qualifies to file.
Read article ↗Individual Tax
Schedule C for First-Time Freelancers
Prepare your first freelance Schedule C with a clear process for classifying work, reconciling receipts, documenting expenses and reviewing the finished return.
Read article ↗UK Tax
Self Assessment Payments on Account: Planning Your Cash Flow
Understand Self Assessment payments on account, the balancing payment and a practical cash-flow approach, including when a reduction needs careful review.
Read article ↗UK Tax
Self Assessment Tax Return Document Checklist
Prepare your UK Self Assessment documents with a practical checklist covering income, expenses, tax already paid and the records your adviser needs.
Read article ↗Business Tax
Small Business Payroll Tax Returns: Forms 941 and 940
Understand Forms 941 and 940, separate payroll returns from deposits, and reconcile wages, withholding and employer records before filing or approving reports.
Read article ↗Individual Tax
Tax Filing Extensions: What Form 4868 Does and Does Not Do
Learn what an individual tax filing extension covers, how to prepare a payment estimate and which records to keep when requesting more time to file.
Read article ↗Individual Tax
Tax Return Document Checklist for Individuals
Prepare your individual tax return with a document checklist covering identity, income, deductions, payments and the questions to resolve before filing.
Read article ↗Individual Tax
Tracking a Tax Refund and Responding to Processing Delays
Track a federal tax refund using official tools, understand received, approved and sent statuses, and organise the evidence needed if a refund is delayed.
Read article ↗UK Tax
UK Business Expenses: Evidence to Prepare for Your Tax Return
Build a clearer UK business expense file with receipts, business-purpose notes and mixed-use calculations, while separating sole trader and company rules.
Read article ↗UK Tax
UK Tax Returns for Nonresident Landlords
Prepare a UK nonresident landlord tax return with clear rental records, withholding evidence and residence information, including filing-route checks.
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