Those 1040ES vouchers were for paying estimated quarterly payments for tax you would likely owe for tax year 2024. They were not for making "installment" payments for the 2023 tax due that you owed for your 2023 tax return. The amount that was on line 37 of your 2023 Form 1040 was supposed to be paid in full by the deadline on April 15, 2024. You could have sent a check or money order with the 1040V voucher, or you could have paid online using the IRS site. Or if you could not afford to pay in full, you could apply for a payment plan with the IRS to pay your 2023 tax due. But....those 1040ES vouchers were not a "payment plan" for your 2023 tax due.
So...if you only sent in the amount that was on ONE of those vouchers, you paid less than you owed for 2023 and the IRS will subject you to paying interest on the amount of 2023 tax due that you have not paid so far.
Look again at your 2023 Form 1040. Line 37 shows what you were supposed to pay by April 15.
You are far from being the first person to be confused by those 1040ES vouchers; many people have been confused by them. Call the IRS to see what their advice is as to how to sort this out, and pay as much of what you can toward the 2023 tax due asap.
https://www.irs.gov/payments
https://ttlc.intuit.com/community/tax-payments/help/how-can-i-pay-my-federal-taxes/00/26212
https://ttlc.intuit.com/community/tax-payments/help/how-do-i-pay-my-irs-tax-due-with-a-check-or-mone...
To apply for a payment plan with the IRS
Apply Online for a Payment Plan
And .......more information about being self-employed and receiving a 1099NEC.
You have self-employment income for which you will pay self-employment tax for Social Security and Medicare. You will need to use online Premium software or any version of the CD/download so that you can prepare a Schedule C for your business expenses.
https://ttlc.intuit.com/questions/2926899-how-does-my-side-job-affect-my-taxes
https://ttlc.intuit.com/turbotax-support/en-us/help-article/form-1099-nec/1099-nec/L5qTsBiSe_US_en_U...
https://ttlc.intuit.com/community/self-employed/help/how-do-i-report-income-from-self-employment/00/...
https://ttlc.intuit.com/community/self-employed/help/what-is-the-self-employment-tax/00/25922
https://ttlc.intuit.com/questions/2902389-why-am-i-paying-self-employment-tax
https://ttlc.intuit.com/questions/1901340-where-do-i-enter-schedule-c
https://ttlc.intuit.com/questions/3398950-what-self-employed-expenses-can-i-deduct
https://blog.turbotax.intuit.com/self-employed/self-employed-tax-deductions-
calculator-2021-2022-50907/
https://ttlc.intuit.com/questions/1901110-do-i-need-to-make-estimated-tax-payments-to-the-irs
https://turbotax.intuit.com/tax-tools/calculators/self-employed/
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
