Section 36.30.120 - Bid security(a) Bid security shall be required for all competitive sealed bidding for construction contracts when the price is estimated by the procurement officer to exceed an amount established by regulation of the commissioner. Bid security on construction contracts under the amount set by the commissioner may be required when the circumstances warrant. Bid security may be required for competitive sealed bidding for contracts for supplies, services, or professional services in accordance with regulations of the commissioner when needed for the protection of the state.(b) Bid security must be a bond provided by a surety company authorized to do business in the state or otherwise supplied in a form satisfactory to the commissioner. Bid security must be in an amount equal to at least five percent of the amount of the bid.(c) When the invitation to bid requires security, the procurement officer shall reject a bid that does not comply with the bid security requirement unless, in accordance with regulations, the officer determines that the bid fails to comply in a nonsubstantial manner with the security requirements.