EXPRESS source and associated files for STEP Part 210: Application Protocol for Electronic Assembly, Interconnection, and Packaging Design. The standard was published in 2001 as ISO 10303-210:2001(E). The schema below is draft #3 for the TC1 version of the schema.

• AP 210 schema in a browsable form, as well as the EXPRESS source listing. (TC1, draft 3)

The full standard is available on the ISO web site as well as through national standards bodies.