AS ISO 19005.4:2022 identically adopts ISO 19005 4:2020, which specifies the use of the Portable Document Format (PDF) 2.0 for preserving the static visual representation of page based electronic documents over time in addition to allowing any type of other content to be included as an embedded file or attachment.
Table of contents
Header
About this publication
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Notation
5 Conformance
5.1 Conforming Files
5.2 Conforming Processor
6 Technical requirements
6.1 File structure
6.1.1 General
6.1.2 File header
6.1.3 File trailer
6.1.4 Cross reference table
6.1.5 String objects
6.1.6 Stream objects
6.1.6.1 General
6.1.6.2 Filters
6.1.7 Name objects
6.1.8 Indirect objects
6.1.9 Inline image dictionaries
6.1.10 Linearized PDF
6.1.11 Permissions
6.1.12 Document catalog dictionary
6.2 Graphics
6.2.1 General
6.2.2 Content streams
6.2.3 Output intent
6.2.4 Colour spaces
6.2.4.1 General
6.2.4.2 ICCBased colour spaces
6.2.4.3 Uncalibrated/Device colour spaces
6.2.4.4 Separation and DeviceN colour spaces
6.2.4.5 Indexed and Pattern colour spaces
6.2.5 Extended graphics state
6.2.6 Flatness
6.2.7 Images
6.2.7.1 General
6.2.7.2 Thumbnail images
6.2.7.3 JPEG2000
6.2.8 XObjects
6.2.8.1 Form XObjects
6.2.8.2 Reference XObjects
6.2.9 Transparency
6.2.10 Fonts
6.2.10.1 General
6.2.10.2 Font types
6.2.10.3 Composite fonts
6.2.10.3.1 General
6.2.10.3.2 CIDFonts
6.2.10.3.3 CMaps
6.2.10.4 Embedding
6.2.10.4.1 General
6.2.10.4.2 Subset embedding
6.2.10.5 Font metrics
6.2.10.6 Character encodings
6.2.10.7 Unicode character maps
6.2.10.8 Use of ActualText
6.2.10.9 Use of .notdef glyph
6.3 Annotations
6.3.1 Annotation types
6.3.2 Annotation dictionaries
6.3.3 Annotation appearances
6.3.4 Display of annotation contents
6.4 Interactive forms
6.4.1 General
6.4.2 XFA forms
6.5 Digital signatures
6.5.1 General
6.5.2 Signature profiles
6.5.3 Proof of existence
6.5.4 Validation
6.6 Action
6.6.1 General
6.6.2 Handling of JavaScript actions
6.6.3 Trigger events
6.6.4 Handling of GoToR, GoToE, URI and SubmitForm actions
6.7 Metadata
6.7.1 General
6.7.2 Metadata streams
6.7.2.1 General
6.7.2.2 Namespaces and prefixes
6.7.2.3 Schemas
6.7.3 Version identification
6.7.4 File identifiers
6.7.5 File provenance information
6.8 Logical structure
6.9 Embedded files
6.10 Optional content
6.11 Use of alternate presentations and transitions
