Advancing Innovative Neuro­tech­nol­o­gies (BRAIN) Initiative. (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 Mental Health Awareness 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 National Institute of Mental Health. (2) Duration The Mental Health Awareness Semipostal Stamp shall be made available to the public for a period of at least 6 years, beginning no later than 12 months after the date of the enactment of this Act. (3) Limitation The Mental Health Awareness Semipostal Stamp shall not be subject to, or taken into account for purposes of applying, any limitation under section 416(e)(1)(C) of such title 39. (d) Definition For purposes of this Act, the term semipostal stamp refers to a stamp described in section 416(a)(1) of title 39, United States Code.