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PDF/A-1 Compliance Issues

For each PDF/A-1 validation issue we try to explain what it means and, if possible how to resolve it. For a more technical explanation of the issue we quote the related section of the ISO 19005-1 PDF/A Specification.

6.1
File Structure - General
6.1.2
File Header
6.1.3
File Trailer
6.1.4
Cross Reference Table
6.1.6
String Objects
6.1.7
Stream Objects
6.1.8
Indirect Objects
6.1.10
Filters
6.1.11
Embedded Files
6.1.12
Implementation Limits
6.1.13
Optional Content
6.2.2
Output Intent
6.2.3
Color Spaces - General
6.2.3.3
Uncalibrated Color Spaces
6.2.3.4
Separation and DeviceN Color Spaces
6.2.4
Images
6.2.5
Form XObjects
6.2.6
Reference XObjects
6.2.7
PostScript XObjects
6.2.8
Extended Graphics State
6.2.9
Rendering Intents
6.2.10
Content Streams
6.3.2
Font Types
6.3.3.1
General Font Issues
6.3.3.2
CIDFonts
6.3.3.3
CMaps
6.3.4
Embedded Font Programs
6.3.5
Font Subsets
6.3.6
Font Metrics
6.3.7
Character Encodings
6.3.8
Unicode Character Maps
6.4
Transparency
6.5.2
Annotation Types
6.5.3
Annotation Dictionaries
6.6.1
General Multimedia Content
6.6.2
Trigger Events
6.7
Metadata
6.7.2
Properties
6.7.3
Document Information Dictionary
6.7.5
XMP Header
6.7.8
Extension Schemas
6.7.9
Validation
6.7.11
Version and Conformance Level Identification
6.8.2.2
Mark information dictionary
6.8.3.3
Structure hierarchy
6.8.3.4
Structure types
6.9
Interactive Forms
TN0001
TechNote : Namespaces
TN0003
TechNote - Metadata
TN0008
Predefined XMP Properties
TN0008-2.2
XMP Basic Schema
TN0009
XMP Extension Schemas
TN0009-3.3
Unqualified RDF Attributes

Compliance Issue: Version and Conformance Level Identification

What does this mean?

Invalid or non-compliant metadata

6.7.11 - ISO 19005-1 PDF/A Specification:

The PDF/A version and conformance level of a file shall be specified using the PDF/A Identification extension schema defined in this subclause.

The Identification schema defined in Table 6 uses the namespace URI . The required schema namespace prefix is pdfaid.

Table 6 — PDF/A identification schema

PropertyValue typeCategoryDescription
pdfaid:partOpen
Choice of Integer		InternalPDF/A version identifier
pdfaid:amdOpen
Choice of Text		InternalOptional PDF/A amendment identifier
pdfaid:
conformance		Closed
Choice of Text		Internal PDF/A conformance level: A or B


The value of pdfaid:part shall be the part number of ISO 19005 to which the file conforms. If the file conforms to a version of ISO 19005 that is defined by an amendment to a part, then the value of pdfaid:amd shall be the amendment number and year, separated by a colon.

A Level A conforming file shall specify the value of pdfaid:conformance as A.

A Level B conforming file shall specify the value of pdfaid:conformance as B.

The values of the pdfaid:part, pdfaid:amd, and pdfaid:conformance properties do not by themselves determine conformance with a part of ISO 19005. The actual determination of conformance shall be performed as specified in Clause 5.

 


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