In most cases, such a document is introduced as "a memo on increase of remuneration". In fact, official note, according to the rules document, drawn up about the execution of any works, for the exchange of information between heads of departments. Since this document addressed to senior management, the correct solution would be to call it a "Memorandum".
In the upper right corner, the same papers, write the name and form of incorporation. Further, as in any other appeal, indicate the position, surname, name and patronymic of the authorized person in the format of "who". In the center of the sheet place the name of the document - "Memorandum".
Specify date of report and registration number of the outgoing document. Below we will report briefly what is the essence of the treatment, for example, "to increase salary". Then give reasons for your proposed changes. This may be the advanced training, increased workload or sales. Here refer to existing documents proving the necessity of change.
In the final part of the report to inform your proposal, indicating specific figures on the pay increase and the date from which you ask to amend the existing order of calculations.

Then list any attached documents, to which reference was made in the main part of the note.

In conclusion, write a post of the head of the structural unit, allow space for personal signature and stamp. And do not forget to specify the decryption of the signature (surname and initials).