The Office of Management and Budget (OMB) has approved the information collection requirements contained in this part and assigned OMB Control Numbers 1018-0102, 1018-0140, 1018-0181, and 1018-0196 (unless otherwise indicated). Federal agencies may not conduct or sponsor, and a person is not required to respond to, a collection of information unless it displays a currently valid OMB control number. Direct comments regarding the burden estimates or any other aspect of the information collection to the Service's Information Collection Clearance Officer at the address provided at 50 CFR 2.1(b).