Acting as a binding legal document a MOU is a collective bargaining agreement establishing each parties obligations. MOUs set and define parameters for both parties to follow. There are MOUs that affect our members nationally and others that affect more specific regions, including VISNs. 

AFGE National VA Council’s priorities are its members and we strive to  bargain for the fairness of all.

To improve searchability of files that may affect you and your departments, naming conventions were created.
For national:
MOU (month-date-year) Title of the Memorandum Of Understanding

VISN MOU are not bargained nationally. They are relatable only to that VISN.
The following is the naming convention for VISNs:
VISN # MOU (month-date-year) Title of the Memorandum Of Understanding