ISO 24517-1:2008 specifies the use of the Portable Document Format (PDF) Version 1.6 for the creation of documents used in engineering workflows. ISO 24517-1:2008 does not define the following:
method of electronic distribution;
method of creation or conversion from paper or electronic documents to the PDF/E format;
specific technical design, user interface, or implementation;
required computer hardware and/operating systems; or
methods for validating the conformance of PDF/E files or readers.