Can you please correct my sentence.. If you feel that some good words to be added instead of my words… Please replace my words…
1.We do accounts along with administration. So Accounts department can help you if necessary.. (at the same time)
but we
do not (are not able to running)
run behind any persons or (any) department.
2.Is it right?
Once you get completed your work, Just let me know, I have an another work to you..

or
Once your work get completed, just let me know, I have an another assignment for you
3.Once you get appointed for this work, you will not
share/impose your work
with/upon (to) others. Weather it is right or wrong, You will have to do that work
4.Once I get (the) confirmation from my store keeper that your materials are fully received, there is no problem for me to issue a cheque to you.. How can I prepare a cheque for the materials which
are (is) not supplied by you
?
5.Once your voucher get
s confirmed by the sales department, there is no problem for me to
pay (issue) the money
Thanks a lot