This document specifies how to use the Portable Document Format (PDF) specified in ISO 32000-2 to construct accessible digital documents using PDF technology.

This document does not specify:

—？processes for converting paper or electronic documents to the PDF/UA format;

—？technical design, user interface, implementation, or operational details of presentation;

—？physical methods of storing these documents such as media and storage conditions;

—？required computer hardware and/or operating systems;

—？requirements specific to content (beyond facilitating programmatic access and textual representation);

—？requirements applying to specific classes (e.g. invoices, reports, etc.) of documents.