Adobe PDF for Digital Signature and Long-term Archiving in W/W (EN)

Attached is a worldwide collective information (English) of using Adobe PDF for Digital Signature and Long-term Archiving

Download file – v.1 (Original version — with Chinese summary)
Download file – v.2 (Original version — with Chinese summary)
Download file – v.3 (Original version — with Chinese summary)

Download file – v.1 (Pure English version)