We propose numerous certificates that can be used to sign and/or time stamp invoices. However selecting a certificate can be tricky and numerous parameters have to be taken into account: do you wnat to send original invoices by electronic means, archive them or totally dematerialize your accounting documents?
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You'll find below a guide to the digital signature.
▲ Warning: the 'tax value' notion is only true for French organizations.
A PDF signed and time stamped get a "tax value".
Can be used to issue digital invoices.
A PDF signed and time stamped get a "legal value".
Can be used to digitally store invoices that have been issued or received in paper format.
A signed PDF becomes an original document.
Sectigo S/MIME OVdata sheetbuyAu unsigned PDF is a mere copy.
The document is not an original.