What to put in the declaration 3-NDFL to get a tax deduction: analysis of all fields

Obtaining a tax deduction through the 3-NDFL declaration is a procedure that requires careful filling in each field. A single-digit error or an incorrectly specified code may result in a refund denial or a delay in verification. This article will help you understand. What exactly should be stated in the declarationThe FTS will accept the documents the first time.

We will consider in detail all sections of the Form 3-NDFL, which concern deductions: from standard (for children) to property (when buying a home) and social (treatment, training). We'll pay special attention. deduction, amounts and supporting documents - these data are the most common cause of errors. You will also find relevant examples of filling in for 2026 and answers to frequent questions.

If you are making a deduction for the first time or want to double-check an already filled out declaration, this instruction will become your checklist. All recommendations are based on the latest version Order of the Federal Tax Service of Russia of 03.10.2018 No MMV-7-11/569@ (with the changes of 2026).

1. What types of deductions can be claimed in 3-NDFL

Declaration 3-NDFL allows you to return part of paid personal income tax on several grounds. They all divide into four main categoriesEach of them has its own codes and rules for filling:

• 👶 Standard deductions - for children, disabled people, heroes of the USSR / RF. Codes: 101–125. Maximum amount: up to 1,400-12,000 rubles. a month for a child.
• 🏠 Equity deductions - when buying housing, land under IHS or repaying mortgage interest. Codes: 311 (housing) 312 (interest). Limit: 2 million rubles. housing + 3 million rubles. interest.
• 🎓 Social deductions - for education (his own or children), treatment, charity, pension contributions. Codes: 201–210. Limit: up 120,000 rubles. A year (except for expensive treatment).
• 💼 Professional deductions - for IP, notaries, lawyers and self-employed. Codes: 403–405. The amount depends on the confirmed expenses.

Important: In one declaration, several types of deductions can be statedIf you have the right to do so. For example, at the same time to return the money for the education of the child (203) and purchase of an apartment (311). However, the amount of refund cannot exceed the personal income tax paid by you for the year.

2. Section 1: Title page - what to specify mandatory

The title page is the “face” of your declaration. Mistakes here can lead to the fact that the FTS simply will not accept the documents. Please note the following fields:

• 📝 INN Check it out on the FTS website through search. If the TIN is not specified or incorrect, the declaration will not be registered.
• 📅 Tax period - always put down for deductions 34 (The year for which we refund the tax). For example, for the return for 2023, we specify 2023.
• 📄 Adjustment number If you are submitting the declaration for the first time, put it 0. If you correct any errors in your previous statement, 1, 2 etc. E.
• 👤 Tax authority code - specify it on the FTS website on registration address. For example, for Moscow, this is 7700–7799.

Pay special attention to the field “I confirm the accuracy and completeness of the information.”. Here we need to put it. 1If you submit your own declaration, or 2If you are a representative (then you will need a notarized power of attorney).

3. Section 2: Income – how to fill in so as not to lose the deduction

This section shall indicate revenue-generatingYou paid 13 percent of your personal income tax for the year. Without the correct filling of this section, the tax office will not be able to calculate the amount of the deduction. Basic rules:

• 💰 Amount of income - point out total per year (e.g., 780,000 rubles.), not monthly.
• 📌 Income code - for the paycheck. 2000For dividends, 1010for the sale of property, 1520 etc. E. The full list of codes is in Annex No. 1 to the procedure for filling out 3-NDFL.
• 🏦 Tax agent TIN and checkpoint of the employer (if income from salary) or other organization that paid you money.
• 📊 Tax amount How much personal income tax you withheld from your income (13% of the amount). For example, if income 500,000 rubles.- I'll pay you a tax. 65 000 rubles..

Critical error: if you do not specify the income from which the personal income tax was withheld, the tax office will not be able to offset the deduction - even if all other sections are filled in correctly. For example, many forget to specify the income from the sale of a car or renting an apartment, and then wonder why they were denied a deduction.

What if the employer did not keep the personal income tax?

If your income is exempt from tax (for example, maternity capital or certain types of compensation), you do not need to indicate it in the declaration. But if personal income tax should have been withheld, and not withheld - this is a reason to apply to the tax office with a complaint against the employer.

Type of income	Income code	Example of the sum	Do I need to be deducted?
Salary	2000	600,000 rubles.	Yes.
Apartment for sale (less than 3 years in ownership)	1520	3,000,000 rubles.	Yes (unless you have used a property deduction)
Dividends	1010	50,000 rubles.	Yes.
Alimony (received)	2760	120,000 rubles.	No (not subject to personal income tax)

4. Subtracts – Codes and amounts for different types

This is the most important section for tax refunds. Here's where you need to point. deduction, expense And attach supporting documents. Consider filling for each type of deduction.

4.1. Standard deductions (for children, disabled persons)

For standard deductions, use the codes:

• 👶 For the first and second child, 126 and 127 deduction 1,400 rubles. per month for each.
• 👧 On the third and the next. 128 (3,000 rubles. monthly.
• 🦽 For a disabled child, 129 (12,000 rubles. for parents, 6000 rubles. for guardians.

Please indicate the amount of deduction monthlyWhen you had a right to it. For example, if the child was born in June, the deduction applies from June to December.

4.2. Property deductions (housing, mortgage)

For home purchase:

• 🏡 The deduction code. 311.
• 💵 Costs – the actual cost of the purchase (but no more than that) 2 million rubles.).
• 📄 Documents: contract of sale, act of reception and transfer, payment.

For mortgage interest:

• 🏦 The deduction code. 312.
• 💰 Amount – actually paid interest (limit) 3 million rubles.).
• 📑 Documents: loan agreement, certificate from the bank about interest.

Contract of sale of housing |Act of reception and transfer of apartments |Payment documents (checks, statements) |Act of 2-NDFL from the employer |Credit agreement (if mortgage) |Act of bank on paid interest-->

4.3. Social deductions (training, treatment)

Deduction codes:

• 🎓 Self-education. 201 limit 120,000 rubles. yearly.
• 👩‍🎓 Education of children 203 limit 50,000 rubles. for every child.
• 🏥 Treatment (low cost) 204.
• 💉 It's a very expensive treatment. 205 (no limit set).

Note: You need to deduct for training school-licenseAnd for treatment, certificate of payment for medical services in the form approved by the order of the Ministry of Health.

5. The Tax Base Calculation section – how not to make a mistake in the numbers

This section automatically calculates the amount of tax refund based on the data from the previous sections. However, You need to check it manually.Because errors here lead to an incorrect calculation of the deduction. Pay attention to:

• 📉 Line 040 Total income for the year.
• 📈 Line 050 - the amount of deductions (should coincide with the section "Deductions").
• 💸 Line 070 Tax base (income minus deductions).
• 🔢 Line 140 - the amount of tax refund (13% of deductions, but not more than paid personal income tax).

Example of calculation:

Income for a year. 800,000 rubles. (line 040).

The tuition deduction. 120,000 rubles. (line 050).

The tax base -- 680,000 rubles. (line 070).

Tax refundable. 15,600 rubles. (13%) 120,000 rubles., line 140.

⚠️ Attention: If line 140 is 0This means that you either did not specify income, or the amount of deductions exceeds your annual income. For example, if you have earned 300,000 rubles.And they're deducting. 500,000 rubles.The tax base will be negative and the deduction will not apply.

6. Common Errors When Filling 3-NDFL and How to Avoid Them

According to the FNS, More than 30% of the reports contain errorsThe deduction is either not granted or delayed for months. Here are the most frequent misses:

• 🔢 Wrong deduction code - for example, instead 311 (housing) 312 (interest). Check the codes. manual.
• 📅 The mismatch of the year - indicate the expenditures of 2026 in the declaration for 2023. The deduction can only be claimed for the year in which the expenses were incurred.
• 📄 Absence of documents - forget to attach contracts, checks or certificates. Without them, the IRS won't take a deduction.
• 💰 Exceeding limits For example, they claim a deduction for training on 150,000 rubles.despite the limit 120,000 rubles..
• 👤 Mistakes in personal data - an incorrect TIN, surname or address. This leads to the refusal to register the declaration.

To avoid mistakes, use them. The "Declaration" Program of the FNS (downloadable) official website). It automatically checks many fields and gives codes.

⚠️ Attention: If you submit a declaration through the Personal Account of the taxpayer, the system will check it for errors before sending it. But some nuances (for example, the correspondence of deduction codes) she does not control – it remains your responsibility.

7. How to submit a declaration: methods and deadlines

A completed 3-NDFL declaration can be submitted in several ways. Choose the most convenient:

• 💻 Personal Account of the Taxpayer - The fastest and most reliable way. The declaration is automatically verified and the status of its processing is tracked in real time.
• 📤 Through the Declaration Program Download the program, fill out the form and send it through it (electronic signature is required).
• 📩 Mail. - send a paper declaration with an inventory of the investment. The date of submission is stamped on the envelope.
• 🏛️ Personally in the tax office. - Make an appointment through service And hand over the documents to the inspector.

Filing time:

• For tax refunds, anytime (but not later than 3 years from the date of expenditure). For example, for 2023, you can file until December 31, 2026.
• For income declaration (if required) – before April 30 next year.

Time of verification of the declaration - 3 months (if filed electronically) or 4 months (if on paper). After approval, the money will be transferred to your account during the 1 month.

FAQ: Answers to Frequent Questions

Can I claim a deduction for several years at once?

Yeah, but a separate declaration for each year. For example, if you bought an apartment in 2021 but did not file a return, you can claim a deduction for 2021, 2022 and 2023 - but you need to fill out three 3-NDFL returns.

What if the employer did not give a certificate of 2-NDFL?

You can request a certificate through Personal Account of the Taxpayer (Section "Income and Tax Amounts of an Individual"). If the employer is liquidated, contact the tax office with a statement on the restoration of data.

Can I get a deduction if I didn’t have income?

Nope. Deduction is a return paid PDFL. If you have not worked or your income has not been taxed (such as a pension), you cannot claim a deduction. The exception is the transfer of the deduction to future periods (for example, when buying a home).

Do I need to file a declaration if the employer already provides a deduction?

No, if the deduction is granted through an employer (for example, a standard deduction for children), the declaration is not required. But if you want to refund your tax for past years or claim a property/social deduction, the return is mandatory.

How to correct an error in the submitted declaration?

I need to get some. refined declaration with the same adjustment number +1. For example, if you were originally given a number. 0, the number will be specified 1. Corrections are made only in the fields where there were errors.