Home › Forums › Restaurant Professionals Forum › Restaurant Professionals Forum › Hot Dogs here! Get your Hot Dogs Here! › RE: Hot Dogs here! Get your Hot Dogs Here! November 1, 2005 at 12:14 am #2202430 V960Member All depends on where you are and who looks at it. My first trailer was homeade and we gave it serial # 1…made sense to me. To look good it got changed to some six digit number and sailed through.