Declaration on oath

A declaration on oath is a declaration by someone made with some kind of formalism and solemnity, in presence of an authority (judge, notary public, etc.) whereby the person certifies that he/she tells the truth regarding of a fact or series of facts or promise etc.

The declaration on oath can be used in a commercial court action regarding a receivable but it could be disputed by another party hence is less final than written proof.


Updated 23/01/2017

Definitions provided under this section refer to the Belgian situation; unless specified otherwise. The texts are meant to summarize concepts in daily language and should not be considered as comprehensive or definite. We welcome suggestions for modifications or additions at