E.g. William Jones,
Jones and Co.
16 December 2001 (or) December 16 2001
Receiver’s Name (with salutation Mr/Ms/Mrs/Dr)
E.g. Ms. Clara Nebraska,
Dear (Salutation and Last Name)
Dear Ms. Nebraska,
The first paragraph should have a brief introduction of the sender of the letter. Be concise and to the point.
The second paragraph should be the introduction of the candidate being introduced. Mention the reasons of introduction and proper recommendation if needed. Try to support your candidate as much as possible for positive outcome. But be careful in giving right details to avoid embarrassment in the future.
End the letter with thanks.