How To Write A Pen Name In An Inquiry Letter . While writing an inquiry letter it is important to provide some information about yourself so that the. Letter for a credit inquiry. Enquiry Letter Format, Sample and How To Write An Enquiry Letter? A from www.aplustopper.com Here, in a respectful, correct form, it is necessary to state the essence of the inquiry and indicate the reason for the request (“based on the results,” “for resolving the issue,” “based on negotiations,” etc.). It should contain the date and address of the receiver. Whatever it is, your letter should be having some of.