need help in translation.!

hi all!
I had to translate a document from Vietnamese into English and I tried my best to do that however i found some words quite difficult to be translated into English properly thus i''d like you all to help me .Thanks in advance
Here is my try:
1-Vietnamese version:
Công an huyện X
Giấy chứng nhận mức lương
Công an huyện X chứng nhận:
Đồng chí : A.....
hiện đang công tác tại Công an huyện X
cấp bậc: trung tá
chức vụ: đội phó đội điều tra hình sự
hệ số lương: 5.0
số tiền được lĩnh hàng tháng cộng cả phụ cấp là: 2.500.000 đồng
Trưởng Công an huyện X
Đã ký.
2-english version:
Police of X district
Confirmation of salary grade
It is hereby realized that
name: A
occupation: policeman of Police of X district
Rank: lieutenant colonel
Position: vice chief officer of criminal investigation team
Salary coefficient: 5.0
Monthly income can be account for salary and allowance : 2.500000d(two milion five hundred thousand dong)
director of police of X district.
signature

Here it is, let''s take a look.....
Police station,
suburban district X
Certificate of salary grade
Hereby we certify that:
Mr/Mrs/Miss.....
working at....Police Station of suburban district X
military rank:commander
job title: vice chief officer of criminal investigation team
salary grade: 5.0
Total income including allowance: 2.500.000 VND (in words.....)
Director of police station

Singed