Replace with:
A model element MUST NOT specify more than one type annotation or value annotation for a given value combination of the Term and Qualifier attributes.
Applied in https://www.oasis-open.org/apps/org/workgroup/odata/download.php/46788/odata-csdl-v1.0-wd01-2012-08-28-RH.doc
Accepted: https://www.oasis-open.org/committees/download.php/46979/odata_meeting-5_on-20120830_minutes.html
The current text is overly restrictive:
A model element MUST NOT specify more than one type annotation or value annotation for a given type term or value term.