If among the syntactic functions of the form there is the subject of intransitive verb of state, then the subject of intransitive verb of action belongs to this number [?] as well.
Standardized
IF there is a noun form for use as as subject of intransitive verbs of state, THEN this form will also be used for intransitive verbs of action.
See comments to #310.And vice versa, see #313.