1. Format: Follow basic business-letter format in composing your letters. 2. Electronic Submittals: Submit the cover letter as a PDF attachment.Forms and Templates. The Harris County Robert W. Hainsworth Law Library provides you with the links below to assist you in locating forms. Learn about the two common business letter formats - block format and indented format. It is my pleasure to write in support of the application of Mr. Ian Harris for your residency program. SERVICE TO BE ISSUED ON (Please List Exactly As The Name Appears In The Pleading To Be. Served):. These sample letter templates are provided as a reference for practices developing their own materials and may be adapted to local needs. The image is titled "Business Letter Format" and shows an example letter with the parts of the letter identified on the left side. They foster connections, strengthen relationships, and offer a tangible way to share thoughts and feelings in a personal and engaging manner.