“(a) In general.—For a 20-year period beginning not later than 180 days after the date of enactment of this section, the Commissioner shall carry out the demonstration project described in subsection (b).

“(b) Benefit offset.—

“(1) IN GENERAL.—The demonstration project described in this subsection is a project under which benefits under section 223 are modified pursuant to paragraph (2) for individuals—

“(A) who are entitled to a benefit under 223(a)(1) for a month during the 120-month period beginning with the first month of the 20-year period described in subsection (a); and

“(B) whose disability is by reason of blindness (as defined in section 216(i)(1)).

“(2) MODIFICATION.—For purposes of paragraph (1), the benefit under section 223 of an individual described in paragraph (1) is modified as follows:

“(A) In determining eligibility for such benefit, a determination of whether the individual is disabled under section 223(d)(1)(B) shall be made without respect to substantial gainful activity.

“(B) Any benefit payable to the individual for a month (other than a benefit payable for any month prior to the first month beginning after the date on which the individual’s entitlement to such benefit is determined) shall be reduced, except such benefit may not be reduced below $0, by $1 for every $2 by which the individual’s earnings derived from services paid during such month exceeds the sum of—

“(i) the exempt amount described in section 223(d)(4)(A); and

“(ii) an amount equal to the individual’s expenses reasonably attributable to the earning of any income for such month.

“(C) Entitlement to any such benefit shall not terminate due to earnings derived from services.

“(D) The period of trial work described in section 222(c) shall not apply.

“(E) The provisions related to the termination month in subsection (a)(1) of section 223 shall not apply.

“(c) Authority To waive compliance with certain requirements.—In carrying out the demonstration project under this section, the Commissioner may waive compliance with the benefit requirements of this title and the requirements of section 1148 as they relate to the programs established under this title, insofar as necessary to carry out the demonstration project.

“(d) Opt out.—After the 120-month period described in subsection (b)(1)(A), an individual described in such subsection may opt out of the demonstration project.”.

“(a) In general.—For a 20-year period beginning not later than 180 days after the date of enactment of this section, the Commissioner shall carry out the demonstration project described in subsection (b).

“(b) Benefit offset.—

“(1) IN GENERAL.—The demonstration project described in this subsection is a project under which benefits under section 223 are modified pursuant to paragraph (2) for individuals—

“(A) who are entitled to a benefit under 223(a)(1) for a month during the 120-month period beginning with the first month of the 20-year period described in subsection (a); and

“(B) whose disability is by reason of blindness (as defined in section 216(i)(1)).

“(2) MODIFICATION.—For purposes of paragraph (1), the benefit under section 223 of an individual described in paragraph (1) is modified as follows:

“(A) In determining eligibility for such benefit, a determination of whether the individual is disabled under section 223(d)(1)(B) shall be made without respect to substantial gainful activity.

“(B) Any benefit payable to the individual for a month (other than a benefit payable for any month prior to the first month beginning after the date on which the individual’s entitlement to such benefit is determined) shall be reduced, except such benefit may not be reduced below $0, by $1 for every $2 by which the individual’s earnings derived from services paid during such month exceeds the sum of—

“(i) the exempt amount described in section 223(d)(4)(A); and

“(ii) an amount equal to the individual’s expenses reasonably attributable to the earning of any income for such month.

“(C) Entitlement to any such benefit shall not terminate due to earnings derived from services.

“(D) The period of trial work described in section 222(c) shall not apply.

“(E) The provisions related to the termination month in subsection (a)(1) of section 223 shall not apply.

“(c) Authority To waive compliance with certain requirements.—In carrying out the demonstration project under this section, the Commissioner may waive compliance with the benefit requirements of this title and the requirements of section 1148 as they relate to the programs established under this title, insofar as necessary to carry out the demonstration project.

“(d) Opt out.—After the 120-month period described in subsection (b)(1)(A), an individual described in such subsection may opt out of the demonstration project.”.