2.1.25 Part 1 Section 14.2.3, Diagram Colors Part

a.   The standard states that a Diagram Colors part is the target of an explicit relationship in a WordprocessingML Main Document, SpreadsheetML Drawings, or PresentationM Slide part.

In Office, the Diagram Colors part can also be the target of an explicit relationship in a PresentationML Handout Master ("[ISO/IEC-29500-1] §13.3.3"), Notes Master ("[ISO/IEC-29500-1] §13.3.4"), Notes Slide ("[ISO/IEC-29500-1] §13.3.5"), Slide ("[ISO/IEC-29500-1] §13.3.8"), Slide Layout ("[ISO/IEC-29500-1] §13.3.9"), or Slide Master ("[ISO/IEC-29500-1] §13.3.10") part.