Market Data Definition Language (MDDL)
Google
The Financial Information Services Division of the Software & Information Industry Association
MDDL 2.4-draft : agencyRatings
MDDL 2.4-draftSchema DocumentationNo Graphics?
Index: MDDL 2.4-draft Schema Documentation
Element: agencyRatings
Description: Ratings (generally applied to debt instruments) of quality or financial strength as determined by a ratings agency.
Used by: debtDomain  preferredClass 
Attributes:  
Uses: rating 
Classification: Container "property"
Diagram: