1) For your information, please.
We don't know what to do with this, so please keep it.
2) Note and Return.
We don't know what to do with this, so please keep it a little while.
3) Review and comment.
Do the dirty work so that I can forward it.
4) Action, please.
Get yourself involved for me. Don't worry, I'll claim the credit.
5) For your necessary actions, please.
It's your headache now.
6) Copy to.
Here's a share of the headache.
7) For your approval, please.
Put your neck on the chopping block for me, please.
8) Action is being taken.
Your correspondence is lost and we are still trying to locate it.
9) Your letter is receiving our attention.
We are still trying to figure out what you want.
10) Please discuss.
I don't know what the %S*^&@ this is, so please brief me.
11) For your immediate action.
Do it NOW! OR we'll all get into trouble.
12) Please reply soon.
Please be efficient. It makes me revert to the Requester/complainant. Need to look efficient.
13) We are investigating/processing your request with the relevant authorities.
They are causing the delay, not us.