: A file named mimetype should be the first file in the Zip. It must be uncompressed and contain the ASCII-encoded media type (e.g., application/vnd.oasis.opendocument.text ).
: A package can contain a main document at its root and multiple "sub-documents" located within sub-directories. Encryption and Security
: Files within the Zip must either be non-compressed ( STORED ) or compressed using the DEFLATE algorithm.
: In the Zip file's central directory, encrypted entries must be flagged as "STORED" even though they contain compressed data.
If you'd like to explore a specific part of the , I can provide details on: XML schema definitions for UBL business documents. Security protocols for CACAO cyber security playbooks. Metadata requirements for OpenDocument digital signatures.