Natural gas is found in deep underground rock formations or associated with other hydrocarbon reservoirs in coal beds and as methane clathrates. Petroleum is another resource and fossil fuel found in close proximity to and with natural gas.
If a notice is not received, contact BFS' TOP call center at 800-304-3107 or TDD 866-297-0517. The available hours are Monday through Friday 7:30 a.m. to 5 p.m. CST. Contact the IRS only if your original refund amount shown on the BFS offset notice differs from the refund amount shown on your tax return.
Call the toll-free IRS telephone number for individuals if you are calling about a personal tax matter. This number is 1-800-829-1040. The business hours are between 7:00 a.m. and 7:00 p.m. in your local time zone. 2. Use the 1-800-829-3676 number for assistance completing your tax forms. This number is the quickest way to get in touch with a specialist trained to assist you in filling out your return forms. Business hours are 7:00 a.m to 7:00 p.m. local time, Monday through Friday.