In Curriculum vitae^x, Writing letters^x

Hi, I have a BSC (hons) degree and a SAC Dip, the degree was first then the diploma but I am in the process of joining goverening bodies for my profession. I am wondering what order do i need to write these titles in and also do i use the titles when filling in forms such as a passport or job...

The following Letter for placing order needs improvement in order to be a perfect letter. I am seeking help of you people to let me understand this letter well and also to understand writing letters with proffetional approch. I desperately need your valuable advice and suggestions. Sorry for my...