Individual Tax Tips: 3 Mid-Year Checks to Protect Your Refund (Estimated Taxes, 1099-K & Health Coverage)

12:00 PM Individual Tax Tips & Refund Strategies | New Haven, Connecticut | Jose's Tax Service | August 21, 2026

Mid-year tax planning is not only for business owners. Families, W-2 employees, freelancers, contractors, and Marketplace health insurance enrollees should review their tax position before the final quarter begins.

A refund is created by the relationship between your tax liability and your payments. Withholding and estimated tax payments that are too low can lead to a balance due, penalties, or an unexpectedly small refund. Payments that are too high can reduce your cash flow throughout the year.

Complete these three checks now. Then review your W-2 withholding if your family or income has changed.

1. Recalculate Your Third-Quarter Estimated Tax Payment!

The third-quarter 2026 estimated tax payment is due Tuesday, September 15, 2026. This deadline applies to calendar-year individual taxpayers making federal payments with Form 1040-ES, Estimated Tax for Individuals.

Connecticut taxpayers may also need to make a payment using Form CT-1040ES, Estimated Connecticut Income Tax Payment Coupon for Individuals. The Connecticut Department of Revenue Services (DRS) lists September 15, 2026, as the third installment deadline for the 2026 taxable year.

Do not automatically repeat your previous quarterly payment. Your income may have changed since April.

Complete this estimated-tax review!

1. Update your income projection.

   • Add year-to-date wages, self-employment income, interest, dividends, retirement income, and other taxable income.
   • Project expected income for the rest of 2026.
   • Include significant changes in business revenue, overtime, investment sales, or contract work.

2. Recalculate deductions and credits.

   • Review business expenses and retirement contributions.
   • Update family information if a dependent, filing-status change, or other major event affects your return.
   • Consider whether health insurance, education, or other deductions may change your taxable income.

3. Compare payments already made.

   • Review federal withholding from your paystubs.
   • Confirm federal estimated payments made with Form 1040-ES.
   • Confirm Connecticut payments made with Form CT-1040ES.
   • Include any prior-year overpayment applied to 2026.

4. Calculate the remaining required payments.

   • Use the current 2026 Form 1040-ES and its instructions for federal estimates.
   • Use Connecticut DRS instructions for state estimates.
   • Consider applicable safe-harbor rules, including prior-year tax and current-year projected tax.

5. Submit the payment on time.

   • Use an authorized electronic payment method when available.
   • Save confirmation numbers, payment dates, and copies of submitted vouchers.
   • If mailing a payment, follow the applicable mailing and postmark instructions.

The IRS 2026 Form 1040-ES includes Payment Voucher 3 for the September 15 deadline. Connecticut payment information is available through the Connecticut DRS individual tax information page.

An underpayment may lead to estimated-tax penalties. A late or misapplied payment can also create avoidable notices and delay processing. Complete the calculation before September 15, 2026.

2. Separate 1099-K Reporting From Taxable Income!

Payment apps can simplify business transactions. They can also create reporting problems when personal transfers and business payments are mixed.

Form 1099-K, Payment Card and Third Party Network Transactions, reports certain payments processed through payment apps and online marketplaces. Common platforms include Venmo, PayPal, Cash App, and similar services.

For 2026, the IRS states that a third-party payment network generally must issue Form 1099-K when payments for goods or services exceed $20,000 and more than 200 transactions. Both conditions apply to the federal information-reporting threshold. A platform may issue a form voluntarily even when the threshold is not met.

The important distinction is this:

The Form 1099-K reporting threshold is not a tax-free threshold.

Business income is generally taxable whether or not a Form 1099-K is issued. A freelancer who receives $500 through a payment app may still need to report that income, even if no information return is received.

Organize payment-app activity now!

1. Download transaction histories.

   • Export records from Venmo, PayPal, Cash App, and other platforms.
   • Save monthly statements and year-to-date summaries.
   • Retain records for business and personal accounts.

2. Classify each payment.

   • Mark payments for goods or services as business revenue.
   • Identify reimbursements, gifts, rent splits, and personal transfers.
   • Document refunds, chargebacks, platform fees, and sales-tax collections.

3. Reconcile gross payments.

   • Do not assume the amount deposited into your bank account equals gross revenue.
   • Platform fees and refunds may affect your records.
   • The Form 1099-K gross amount may not be reduced for fees, discounts, shipping, or other adjustments.

4. Compare the records to your books.

   • Match payment-app totals to invoices and receipts.
   • Investigate duplicate entries.
   • Record business expenses separately from revenue.

5. Prepare for the form.

   • Compare any Form 1099-K received with your internal records.
   • Report the correct business income on the appropriate tax forms.
   • Contact the platform if the form contains an error.

Review the IRS guidance on Understanding Your Form 1099-K and Form 1099-K frequently asked questions.

Do not wait for a January form to begin organizing. Incomplete payment records can cause income to be omitted, duplicated, or misclassified. Those errors may lead to notices, additional tax, penalties, or delayed processing.

3. Review Health Coverage and Marketplace Forms!

Health insurance can affect both your tax credit and your deductions. The review is especially important for self-employed individuals and families who obtained coverage through the Health Insurance Marketplace.

The key documents are:

• Form 1095-A, Health Insurance Marketplace Statement
• Form 8962, Premium Tax Credit (PTC)
• Form 7206, Self-Employed Health Insurance Deduction

Form 1095-A reports monthly Marketplace information, including premiums, the second-lowest-cost Silver plan (SLCSP), and advance payments of the Premium Tax Credit (APTC).

If APTC was paid for your coverage, you generally must use Form 1095-A to complete Form 8962. Form 8962 reconciles the advance credit with the Premium Tax Credit allowed based on your final household income and family size.

Complete this health-coverage check!

1. Confirm your coverage months.

   • Review whether Form 1095-A reflects every month of Marketplace coverage.
   • Check household members and policy information.
   • Report changes to the Marketplace when income, family size, or coverage changes.

2. Project your annual household income.

   • Include wages, self-employment income, unemployment compensation, investment income, and other applicable income.
   • Update your estimate after significant business or employment changes.
   • Remember that an income change may affect your final Premium Tax Credit.

3. Preserve Form 1095-A.

   • Download the form from your Marketplace account when available.
   • Compare it with monthly premium statements.
   • Do not discard it after reviewing the information.

4. Reconcile the credit correctly.

   • Use Form 1095-A to complete Form 8962.
   • Attach Form 8962 to your Form 1040, U.S. Individual Income Tax Return, when required.
   • Keep Form 1095-A with your tax records. It generally is not attached to the return.

5. Coordinate the self-employed deduction.

   • If you paid health insurance premiums as a self-employed taxpayer, evaluate the deduction using Form 7206, Self-Employed Health Insurance Deduction.
   • Do not deduct premiums that were covered by the Premium Tax Credit.
   • Follow the IRS worksheet and limitation rules.
   • The deduction may be limited by net profit from the applicable trade or business.

The IRS provides instructions for reconciling advance Premium Tax Credit payments, information about Form 8962, and the official Form 7206 resource page.

The IRS may require an adjustment when advance payments exceed the final allowable credit. Incorrect coordination between Form 8962 and Form 7206 can also reduce the accuracy of your return. Review the documents before year-end.

Update Form W-4 If Your Family or Income Changed!

W-2 families should also review federal withholding. A new job, marriage, divorce, birth or adoption, second job, side income, or significant income change can affect the correct withholding amount.

Use the IRS Tax Withholding Estimator, then complete a new Form W-4, Employee’s Withholding Certificate, if the calculation shows that an adjustment is needed.

Take these steps!

1. Review your latest paystub. Check federal income tax withheld year to date.
2. Update filing information. Review filing status, multiple jobs, spouse income, and dependents.
3. Account for other income. Include self-employment income, interest, dividends, and taxable distributions.
4. Enter additional withholding when appropriate. This may help prevent a balance due.
5. Submit the updated Form W-4 to your employer. Payroll changes generally apply to future paychecks.

If a change reduces the withholding you are entitled to claim and creates a projected underpayment, IRS rules may require a new Form W-4 within 10 days. Review IRS Publication 505, Tax Withholding and Estimated Tax and the official Form W-4 guidance.

Practical Reminder: Review Before September 15!

Before the third-quarter deadline, gather:

• 2026 income and expense records
• Federal and Connecticut estimated-payment confirmations
• Payment-app transaction histories
• Any Form 1099-K received
• Form 1095-A and Marketplace statements
• Health insurance premium records
• Current W-2 paystubs
• Updated family and employment information

Jose’s Tax Service provides personalized tax preparation, federal and Connecticut e-filing, tax consultations, bookkeeping support, and year-round tax planning. Meet with us in person in New Haven or virtually from anywhere. We offer $0 upfront payment, competitive rates, flexible scheduling, and professional guidance designed to help you plan accurately: not simply react at filing time.

Visit Jose’s Tax Service to schedule a consultation and protect your 2026 tax position.

Category: Tax Planning | Tags: tax refund, personal finance, IRS tips, New Haven taxes