The published OCX Schema

Root element of the schema. ocxXML has the following child elements:

Child	Namespace	Type	Use	Cardinality	Choice	Description
ClassCatalogue	ocx	ocx:ClassCatalogue_T	opt.	[0, ∞]	True	The Class catalogues provided as part of the OCX. The catalogue can hold the society's definitions of cross sections, materials, hole shapes etc.
Header	ocx	ocx:Header_T	req.	[1, 1]	False	The header information of an XML export.
ProcessLayer	ocx	ocx:ProcessLayer_T	opt.	[0, ∞]	True	Process layer referencing OCX process or business objects.
UnitsML	ocx	UnitsMLType	opt.	[0, ∞]	True	Container for UnitsML units, quantities, and prefixes.
Vessel	ocx	ocx:Vessel_T	opt.	[0, ∞]	True	Vessel asset subject to Classification.

ocxXML has the following attributes:

Attribute	Namespace	Type	Use	Default	Fixed	Description
schemaVersion	ocx	xs:string	req.		2.8.6	Current XML schema version (Format - x.y.z) x : Incremented for backward incompatible changes ( Ex - Adding a required attribute, etc.) y : Major backward compatible changes [ Ex - Adding a new node ,fixing major CRs,etc..] z : Minor backward compatible changes (Ex - adding an optional attribute, etc).
language	ocx	xs:language	optional	en		Language used by the application.