COMPLETENESS OF BID: Bidders should take care to complete all details in a legible manner in the bid documents. No bidder may withdraw its bid for a period.60 days after the date set for bid opening, except pursuant to Public Contract Code Section. It makes the bid materially different and is a mistake in filling out the bid. The Alameda CTC Contract Administrator will oversee the public opening of all bids at the time and location stated in the Notice to Contractors. View a sample "Application for Original Contractor License.