This certificate is intended for legal representation of your organization and is equivalent to the physical seal in use by many companies and Public Administration. Electronic seals can be used for signing electronic invoices, statements, declarations, certificates and other types of electronic documents.
The electronic seal allows you to sign not only electronic invoices but all types of electronic documents. If you need to limit usage of the electronic seal certificate to electronic invoices only, this is possible. Multicert's electronic seal broad offer has an option to restrict from general use to exclusive use for electronic invoicing.
If you just need to sign a small number of invoices or documents, you have the option of enrolling to a qualified electronic seal certificate on a physical cryptographic device (USB token or smartcard). Upon reception of the device and installation of the middleware, you will be able to use in in compatible third-party signature software (e.g. Adobe Reader). The authorization PIN will be requested to be typed in for each signature performed. Alternatively, you have the option of a remote signature qualified electronic seal certificate, which you can use on Microsoft systems with Multicert's Remote Certificate Manager application
To sign large volumes of invoices and/or bulk signing, you have the option of using the remote signature qualified electronic seal certificate, which allows you to integrate with your invoicing software (ERP). Integration can be done through Multicert Sign’Stash service, for added value and convenience services, or through the API Cloud Signature Consortium
With the Sign’Stash solution, you can achieve fast, low-cost integration and simple use. Purchase a qualified remote electronic seal certificate to sign your invoices and get a subscription service that can be fully integrated with your software.
The solutions proposed by Multicert comply with the requirements set out in Art.12 of Decree-Law nº28 / 2019 of Portuguese Law, namely:
Guarantee the authenticity of the origin and the integrity of the content of the invoices issued
The certificate used is issued by a certifying body accredited by GNS, in accordance with the eIDAS regulation
The certifying entity issuing the certificate is on the Trusted List of Portugal, valid in all EU member states