PDF/A-2 bridges the gap between PDF/A-1 and PDF 1.7 which PDF/A-2 better suitability for long-term archiving of documents where "elements" in it that are not supported by PDF/A-1 and where PDF 1.7 can be used for "elements" which are not supported by PDF/A-2 Functional area of application: Network, the underlying protocol Organisational scope: N.A.

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