; commonly known as the Interior Department and Further Continuing Appropriations Act for Fiscal Year 2010 ), the United States Postal Service shall issue a semipostal stamp (referred to in this Act as the Great Lakes Restoration Semipostal Stamp ) in accordance with the provisions of this section. (b) Cost The Great Lakes Restoration Semipostal Stamp shall be offered at a cost equal to the cost of mailing a letter weighing 1 ounce or less at the nonautomation single-piece first-ounce letter rate, in effect at the time of purchase, plus a differential of not less than 25 percent. (c) Other terms and conditions The issuance and sale of the Great Lakes Restoration Semipostal Stamp shall be governed by the provisions of section 416 of title 39, United States Code, and regulations issued under such section, subject to subsection (b) and the following: (1) Disposition of proceeds (A) In general All amounts becoming available from the sale of the Great Lakes Restoration Semipostal Stamp shall be transferred to the Environmental Protection Agency for the purpose of funding the operations of the Initiative described in subsection (a), through payments which shall be made at least twice a year. (B) Proceeds not to be offset In accordance with section 416(d)(4) of such title 39, amounts becoming available from the sale of the Great Lakes Restoration Semipostal Stamp (as so determined) shall not be taken into account in any decision relating to the level of appropriations or other Federal funding to be furnished in any year to the Initiative identified in subsection (a). (2) Duration The Great Lakes Restoration Semipostal Stamp shall be made available to the public for a period of at least 5 years, beginning no later than 12 months after the date of the enactment of this Act. (3) Stamp depictions Stamps issued under this Act shall depict images of each of the five Great Lakes. (4) Limitation The Great Lakes Restoration Semipostal Stamp shall not be subject to, or taken into account for purposes of applying, any limitation