Chapter II · Determination of taxable income · Section IV · Investment income

Article 40 Presumptions and accrued interest

Artigo 40.º · Presunções e juros contáveis

Código do Imposto sobre o Rendimento das Pessoas Singulares · republished by Law No. 82-E/2014 · consolidated text checked 26 October 2026

#

1. The loans and credit facilities referred to in Article 6(2) are presumed to bear interest at the statutory rate, unless a higher rate is stated in the instrument creating them or has been declared.

1 - Presume-se que os mútuos e aberturas de crédito referidos no n.º 2 do artigo 6.º são remunerados à taxa de juro legal, se outra mais elevada não constar do título constitutivo ou não houver sido declarada.

#

2. Article 6(5) applies to the presumption laid down in the preceding paragraph.

2 - À presunção estabelecida no número anterior é aplicável o disposto no n.º 5 do artigo 6.º

#

3. In the situations taxable under Article 5(5), the income subject to tax is the amount corresponding, on the basis of the related remuneration, to the period elapsed from the date on which interest last fell due or, if none has yet fallen due, from the date of issue, first placement or endorsement, until the date of transfer of the securities concerned.

3 - Tratando-se das situações tributáveis nos termos do n.º 5 do artigo 5.º, o rendimento sujeito a imposto é o quantitativo que corresponder, em função da respetiva remuneração, ao período decorrido desde a data do último vencimento ou da emissão, primeira colocação ou endosso, se ainda não tiver ocorrido qualquer vencimento, até à data da transmissão dos correspondentes títulos.

What we checked in this article

The presumption of interest at the statutory rate, the cross-references to Article 6(2) and (5) and Article 5(5) and the accrual period for interest on transferred securities are retained.

How does Article 40 apply to your salary, dividends or move to Portugal?

We prepare IRS returns for residents and non-residents, set up withholding for employers, and model salary versus dividends for company owners, in English. A written answer and a fixed quote within one working day.

Unofficial English translation prepared by BCA Portugal for reference. Only the Portuguese text published in the Diário da República has legal force. Editorial notes are ours and are not part of the statute.

Applying the law

Portuguese personal tax, worked out before you decide

Residence, the category of each income, aggregation options and the regime you qualify for decide what you actually pay. Tell us your situation and we will model the IRS position before you move, hire or pay yourself.

Get a quote