Bids whether submitted in paper or electronic format shall be opened only at the time and place listed in the bidding documents. Paper bids shall be opened in the presence of an administrative officer of the awarding public agency and be read aloud at the time of opening. Such bid opening shall be open to the public and to all bidders. Electronic bids shall not be viewable prior to the time listed for bid opening in the bidding documents. Electronic bids may be opened in a public bid opening in the same way as for paper bids. A public bid opening is not required for electronic bids if the awarding public agency electronically publishes the bids on its website at time of bid opening.