## [Monthly Stamp Tax Returns submitted with errors may be replaced until the end of June 2021 with no penalties](/en_GB/new/monthly-stamp-tax-returns-submitted-errors-may-be-replaced-until-end-june-2021-no-penalties)
# Monthly Stamp Tax Returns submitted with errors may be replaced until the end of June 2021 with no penalties
02 / 19 / 2021
Tax Alert Portugal
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**Considering that the Monthly Stamp Tax Return ("DMIS") became fully operational at the beginning of 2021 and that some doubts still persist that may condition its correct submission, the Portuguese Tax Authority ("AT") has determined, through [Order 42/2021.XXII, of 12 February](https://info.portaldasfinancas.gov.pt/pt/informacao_fiscal/legislacao/Despachos_SEAF/Documents/Despacho_SEAAF_42_2021_XXII.pdf), that DMIS submitted with "mere errors" may be replaced until the end of the first semester of 2021, without any penalty.**
AT further clarifies that the application of the abovementioned concept of “mere error” is limited to negligent conduct, including situations in which taxpayers demonstrate having no computer resources, operative or others, that would have allowed them to submit said return without errors.
Remaining situations identified under tax audits will be treated under the general terms.
[Tax](/en_GB/tags/tax), [Portugal](/en_GB/tags/portugal)
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This publication is provided for information purposes only and does not constitute legal advice or advice of any other kind. It does not seek to offer a comprehensive summary of the legislation and developments to which it refers nor to cover all published material, but rather to provide an overview of selected topics. It is therefore recommended that the official texts be consulted and specific professional advice be sought. Garrigues does not accept any liability for the use made of this information and assumes no obligation to update it after publication.
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