The agent, before entering upon the duties of the agent’s office, shall take the constitutional oath of office, and as determined by the county board of commissioners, either shall be covered by a blanket bond or shall be required to furnish a surety company bond, payable to the county, in a sum to be approved by the county board of commissioners, and conditioned for the faithful performance of his or her duties, and that he or she shall correctly and honestly pass upon and award all bids and contracts for supplies, and shall fully and accurately account to and pay over to the county or to the persons authorized to receive the same, all money, merchandise, and articles of value that shall come into and pass through his or her hands as the county purchasing agent, or for which he or she may be responsible; and also conditioned that he or she shall honestly, faithfully, and accurately disburse and account for all money controlled or handled by him or her in the performance of his or her duties. The premium on an individual bond shall be paid by the county. The agent shall not sell or be concerned in the sale of merchandise, supplies, or other articles to any of the offices, departments, or institutions of the county. The purchasing agent shall not accept or receive, directly or indirectly, by rebate, commission, or in any other manner money or other thing of value, directly or indirectly, from an individual, sole proprietorship, partnership, association, or corporation, to whom the agent awards a contract. The individual bond shall be filed in the office of the county clerk, and recoveries may be had on the bond until exhausted.