WEB Societies: Access, processing of model 200 and WEB Open Companies version
Skip information indexHow to modify a previously filed return - Corrective self-assessment - Higher refund
If you have submitted a Form 200 declaration with a result to be returned and you want to correct it to declare a higher return, you must submit a corrective declaration.
Access the services of Companies Campaign 2025 to rectify, complete or modify a previously submitted self-assessment. It incorporates the data included in the previously submitted self-assessment that is not subject to modification, those that are subject to modification, and those newly included.
When accessing it is necessary to choose the electronic certificate or Key Holder's Mobile Cl@ve (only for individuals), if the presentation is made on his/her own behalf. Identification with is also possible eIDAS for citizens of the . EU
Fill in your identification details and click on "Accept".

If you have generated a .200 file with the correct record layout, use the option "Matter"

It will be detected that a declaration has already been filed and the button "Modify declaration".

If there is more than one previous declaration submitted, you must choose which one you want to recover.
Once you've logged in, the screen will show you the self-assessment you submitted.

Locate in the tool button panel "Sections of the declaration" and select "Correcting self-assessment".
In this section, you must select the corrective self-assessment option, enter the receipt number for the previous self-assessment, and indicate at least one of the reasons for the correction.
Correct the data you deem necessary and when you have finished, locate again in "Sections of the declaration" the option "Tax amount to be paid or refunded." Withholdings and installment payments.
In the "Correction" section, you must enter in box 01584 the positive amount from box 1586 of the self-assessment being corrected if the refund you requested has already been agreed. Otherwise, you must leave box 01584 blank.
Although box 01586 of the previous self-assessment is negative, do not include the negative sign when completing box 01584.
The result of the correction will be automatically calculated in box 00621.

Press "Validate statement" to check for errors, warnings and/or notices and if everything is correct.

If there are no errors press "File a statement".

Select the return option.
You must enter the account number where you want to receive the refund or indicate if you wish to opt out.
A screen will appear if you have any pending notifications so you can review them and continue with the presentation.
Press "According" and "Sign and Send" to conclude the presentation.
The result of the submitted declaration is displayed on the screen in format PDF with the CSV of the statement.

Don't forget to print or save the proof of submission.