Common assumptions of modification in Renta WEB
To incorporate the fees paid to unions and professional associations, access the "Draft/tax return processing service (DIRECT Income Tax and WEB Income Tax)", identify yourself and within your file in "Available Services" click on "Draft/Declaration Processing Service (DIRECT Income and WEB Income)". Check the data in the identification data window and click "Accept".

Tax data is automatically incorporated; however, in some cases, such as union or professional association fees, it will be necessary to provide additional information. In this case, the data can be transferred with additional information; therefore, if you wish to include it in the declaration, mark the "Yes" box. However, if you do not have union dues to add, press "NO".

Clicking "Yes" opens the window for you to enter the amount.

After indicating the amount paid to union dues, press "Accept" to reflect this amount in the tax data.

If you have not entered the corresponding amounts from the "Transferable data with additional information" window, you can also access the union dues and professional association boxes from the "Employment income" section in the "Summary of declarations" and in the "Total gross computable income" concept by clicking on the numerical link of the declarant, spouse or other declarants of the family unit for whom this data will be incorporated. Please note that it is not possible to enter data in the joint mode.

Also, within the declaration, you can access from "Declaration sections" and in "Economic Data" access "Employment income (salaries, payroll, pensions, etc.)".

To enter the data, double-click on box 0003, also from the corresponding boxes 0014 and 0015 or on the button with the pencil icon next to each box.


Enter the appropriate amounts and click "Accept". The amounts entered will be reflected in the corresponding boxes of the declaration.

To check the result of the declaration after the modifications, return to the "Declaration Summary".

To include this deduction in your tax return, go to the "Draft/tax return processing service (DIRECT Income Tax and WEB Income Tax)", identify yourself and within your file click on "Draft/declaration processing service (DIRECT Income and WEB Income) in the "Available Services" section. Check the data in the identification data window and click "Accept".

If you do not need to provide additional information to transfer tax data to the declaration, you will access the "Return Summary". Locate the "Differential rate" section and access the numerical link located under the "Deduction for large families" concept. Please note that it is not possible to enter data in the joint mode.

In the data entry window, double-click on box 0660 or on the button with the pencil icon next to the box.

Fill in the required information, such as the identification number of the large family or inform whether you have received the advance payment of the deduction. Check whether you need to complete the data relating to pensioners or unemployed persons and Social Security or Mutual Insurance Contributions. When finished, press "Accept".

The amount of the deduction will be reflected in the corresponding box for the large family deduction (0660). 
In the "Return Summary" you can see the updated result and the breakdown of the deductions applied.
To include this deduction in your tax return, go to the "Draft/tax return processing service (DIRECT Income Tax and WEB Income Tax)", identify yourself and within your file click on "Draft/declaration processing service (DIRECT Income and WEB Income) in the "Available Services" section.

Check the data in the identification data window and in the "Children under 18 years of age" section, double-click on the "Name" field or press the pencil icon next to the concept to review the information of the children who generate this deduction, or include them if they do not appear.

In the pop-up window, provide your identification and family details, then click "Accept." Verify that the data has been saved correctly and press "OK" again.

If you do not need to provide additional information to transfer tax data to the declaration, you will access the "Return Summary". As a general rule, the amount of the maternity deduction will already appear filled in. Locate the "Differential quota" section and the "Maternity deduction" concept. Click on the numerical link to access the section of the declaration where you can check and modify, if applicable, the details of this deduction.

In the data entry window, double-click the appropriate box or the button with the pencil icon next to box 0611 "Deduction Amount" to edit this information.

If the deduction does not initially appear in the declaration, from the "Return Summary" click on "Declaration Sections". Locate the section "Family deductions (maternity, disability and large family)" and access the concept "For maternity. Fiscal Year 2025."

Double-click on box 0611 for "Deduction Amount" or the button with the pencil icon next to the box.

Please indicate whether you meet the requirements to apply this deduction, how and since when. You must also indicate whether you have received the advance payment and include the data for the increase for childcare expenses, if you can apply the increase for this type of expenses to the deduction. Before continuing, you will be prompted to review the information you entered.

If childcare expenses have been included, press the button with the pencil to enter the details regarding childcare expenses.


The amount will be reflected in box 0611 and the nursery expenses in box 0613. Please note that if any deduction is not reflected in the boxes, it means that it does not apply.

The deduction applied and the result of the declaration after this change will be reflected in the "Return Summary" window.

Access "Draft/tax return processing service (DIRECT Income Tax and WEB Income Tax)", identify yourself and within your file click on "Draft/Declaration Processing Service (Direct Income and WEB Income) in the "Available Services" section. Check the data in the identification data window and click "Accept".

If you do not need to provide additional information to transfer tax data to the declaration, you will access the "Return Summary". Please note that it is not possible to enter data in the joint mode.
You can access the summary concepts by clicking on the numerical link in the "Sum of regional deductions" section of the declarant, spouse or other declarants.

Or from "Declaration sections" in the "Regional deductions" section.

The application will take you directly to the list of deductions for your Autonomous Community. To enter data, double-click on the field or press the pencil icon next to the concept.

Check the appropriate options or enter the required data.

If the changes have been saved correctly and you are entitled to the deduction , the applied deduction will be displayed in the corresponding box.

If the deductions are not applied in the return, there may be a condition that is not met for the deduction to be applied. You can check the requirements that must be met for the deduction to be applied, within the corresponding section, by clicking on the "Help" button located at the top with the question mark (?).

Back in the "Return Summary" the amounts corresponding to the deduction will be reflected.
