I would call the permitting department and find out. Do not assume or guess! Each area has it's own rules and reason's behind them.
In the jurisdiction I work for, all commercial drawings must be stamped by the engineer responsible for them, and the county must stamp an approval on them,every page gets stamped. We are instructed that when we go to a job we are to ask for the county approved drawings. They MUST be the original's, not a copy. If the original,stamped,approved drawings are not on site, we are to give them a red disapproval sticker stating approved drawings not on site then go on our way to the next job. The reason is the stamped drawings have been through plan review and the plan reviewers add notes to the drawings and leave notes for the inspectors.(things to be aware of, look into, or verify.)
