The City Manager shall have charge of the administration of the financial affairs of the City, and to that end he shall have authority and shall be required to:
A. 
Supervise and be responsible for the disbursement of all monies, and have control over all expenditures to ensure that budget appropriations are not exceeded.
B. 
Maintain a general accounting system for the City government and each of its departments, offices, and agencies which will truly reflect the current financial position of the City in line with accepted principles of modern municipal accounting.
C. 
Submit to the Council from time to time a statement of all receipts and disbursements in sufficient detail to show the exact financial condition of the City.
D. 
Cause to be prepared, as of the end of each fiscal year a complete financial statement and report.
E. 
Cause or make provisions for the assessment of all property within the corporate limits of the City government, prepare tax maps, and give such notice of taxes and special assessments as may be required by law.
F. 
Cause to be collected, all taxes, special assessments, license fees, and other revenues of the City or for whose collection the City is responsible, and receive all money receivable by the City from the State or Federal Government, or from any court, or from any office, department, or agency of the City.
G. 
Take custody of all public funds belonging to or under the control of the City, or any office, department, or agency of the City, or any office, department, or agency of the City government, and deposit all funds coming into his hands in such depositories as may be designated by resolution of the Council, subject to the requirements of law as to surety and the payment of interest of deposits, but all such interest shall be the property of the City and shall be accounted for and credited to the proper account; have custody of all investments and invested funds of the City government, or in possession of such government in a fiduciary capacity, and have the safe-keeping of all bonds and notes of the City and the receipt and delivery of City bonds and notes for transfer, registration or exchange.
H. 
Approve or disapprove all proposed expenditures, subject to limitations of the budget.
The City Manager shall have power and shall be required to:
A. 
Prescribe the forms, receipts, vouchers, bills or claims to be used by all the offices, departments, and agencies of the City government. A purchase order form with appropriate warranty and service contract liabilities must be established and maintained for use in all City business for purchases in excess of $10.00.
B. 
Examine and approve all contracts, having previously ascertained that monies have been appropriated and allotted and will be available when the obligation shall become due and payable.
C. 
Audit and approve before payment all bills, invoices, payrolls and other evidences of claims, demands or charges against the City government and, with the advice of the City Attorney; determine the regularity, legality and correctness of such claims, demands and charges.
D. 
Inspect and audit any account or records of financial transaction which may be maintained in any office, department, or agency of the City government apart from or subsidiary to the accounts kept in his office.
The City Manager shall be responsible for the purchasing, receiving, storage, and issuance of all City supplies, materials, equipment, etc. pursuant to rules and regulations established by ordinance.
Before the City makes any purchases or contract for supplies, equipment, or contractual services, opportunity shall be given for competition, and the City Manager shall be responsible for purchasing the desired materials and equipment or contractual services on as economical and practical a basis as possible. The City Manager shall have authority to make purchases without the approval of the City Council for all budgeted items not exceeding $3,000.00. Any purchases involving more than $500.00 or any purchase of an unbudgeted item over $500.00 must be expressly approved in advance by the City Council. All contract services to be performed on City property must be by purchase order regardless of value to insure proper liability protection and insurance coverage by a contractor. In all contracts or purchases involving more than the dollar amount established in the State of Texas Competitive Bidding Law, notices of the time and place such contract shall be let shall be published in the official newspaper in the City of Denver City once a week for two consecutive weeks prior to the time for making such purchases or letting such contract, the time of first publication to be at least fourteen (14) days prior to the time for making such purchase or letting such contract; provided, however, that the City Council shall have the right to reject any and all bids, and provided further, that nothing herein shall apply to contracts for professional services.
The City Manager shall dispose of any property, equipment, supplies, or materials belonging to the City which the City Council has decided is disposable. In the sale of all property, the property shall be advertised for sale in all local newspapers, [and] the contract of sale shall be awarded to the highest responsible bidder after such public notice and competition as may be prescribed, provided the City Council shall have the power to reject all bids and advertise again. These same procedures shall be used whenever the City acts as transfer agent. Any real estate sales shall comply with the Laws of the State of Texas.
Any City improvements costing more than $5,000.00 shall be evidenced by a written contract except where such improvement is authorized by the City Council to be executed directly the a [sic] City department in conformity with detailed plans, specifications and estimates. All such contracts for more than $500.00 for any one project shall be awarded to the lowest responsible bidder after such public notice and competition as may be prescribed, provided the City Council shall have the power to reject all bids and advertise again. Except in case of emergency, alterations in any contract not to exceed 25% of the total contract may be made when authorized by the City Council, provided that such alteration is acceptable to the other party of the contract.
All checks, vouchers, or warrants for the withdrawal of money from the City depository shall be signed by the City Manager and countersigned by a person authorized by the City Council. The Mayor or Mayor Pro-Tempore may sign or co-sign in the absence of the City Manager.
The City Manager and such other officers and employees as the City Council may designate, before entering upon their duties, shall provide bonds for the faithful performance of their respective duties, payable to the City, in such amounts as the City Council may prescribe, except that such bond shall not be in an amount less than $10,000.00. The City shall pay the premiums on such bonds.