My God,
Look at it
XXXXXXXXX (unit)
Response to XXXXXXXXXXXX (content or title of the other party's incoming letter)
XXXXXX (recipient):
Your government's communication XX report [2011] X document has been received, and after study decided to approve/disapprove/partially approve your unit's request, (if disapproved explain the reasons, partially approve/approve). Approved / partially approved your unit requirements, (if not approved to explain the reasons, partially approved to explain the reasons for the unapproved part of the dismissal) required XXXXXX (people request things) by the XXXX department is responsible for coordination.
Hereby reply
XXXXXXX (drop)
Time
Don't say I'm perfunctory, you'll give so little information, how to write?