‘‘(A) the amount credited to such partici-
pant’s part B totalization account (as deter-
mined without regard to this subsection), by 
‘‘(B) a fraction—
‘‘(i) the numerator of which is an 
amount equal to the individual’s adjusted 
average indexed monthly earnings (as de-
termined under paragraph (3)), and 
‘‘(ii) the denominator of which is the 
individual’s average indexed monthly earn-
ings (determined on 215(b) without regard 
to paragraph (3)), 
rounded, if not a multiple of $0.10, to the next lower 
multiple of $0.10. 
‘‘(2) NONCOVERED GOVERNMENTAL SERVICE.—
For purposes of this subsection, the term ‘non-
covered governmental service’ means service for the 
Federal Government or for a State (or political sub-
division thereof, as defined in section 218(b)(2)) 
which does not constitute ‘employment’ as defined in 
section 210, except that such term does not include 
service as a member of a uniformed service (as de-
fined in section 210(m)). 
‘‘(3) ADJUSTED AVERAGE INDEXED MONTHLY 
EARNINGS.—
‘‘(A) IN GENERAL.—For purposes of para-
graph (1)(B)(i), the adjusted average indexed 
monthly earnings of a participant is the amount 
of the participant’s average indexed monthly 
earnings (determined under section 215(b)), ad-
justed by treating all noncovered governmental 
service performed after 1950 on which a peri-
odic benefit referred to in paragraph (1) is 
based as ‘employment’ as defined in section 210 
for purposes of this title (together with all other 
service performed by such individual consisting 
of ‘employment’ as so defined). 
‘‘(B) METHODOLOGY.—For purposes of 
determining average indexed monthly earnings 
as described in subparagraph (A), the Commis-
sioner of Social Security shall provide by regu-
lation for a method for determining the amount 
of wages derived from service performed after 
1950 and which is to be treated as ‘employ-
ment’ solely for purposes of subparagraph (A). 
Such method shall provide for reliance on em-
ployment records which are provided to the 
Commissioner and which constitute a reason-
able basis for treatment of service as ‘employ-
ment’ for such purposes, together with such
other information received by the Commissioner 
as the Commissioner may consider appropriate 
as a reasonable basis for treatment of service as 
‘employment’ for such purposes. 
‘‘(4) COOPERATION
BY
COMMISSIONER.—The 
Commissioner of Social Security shall provide to the 
Board such assistance and information as the Board 
may require for purposes of this subsection. 
‘‘(f) MARRIED COUPLES.—In the case of any 2 par-
ticipants who are married, subsection (a) shall apply with 
respect to each such participant, upon the joint written 
request of such participants, by totalling the balances in 
the accounts referred to in subsection (a) of both such in-
dividuals. 
‘‘(g) PROTECTION FROM ASSIGNMENT OR ALIEN-
ATION.—Any supplemental minimum benefit payment 
under this section may not be assigned or alienated. 
‘‘SEC. 259. ELECTION FOR PARTICIPATION. 
‘‘(a) IN GENERAL.—Any individual who—
‘‘(1) is born on or after January 1, 1951, and 
before January 1, 1984, 
‘‘(2) has not attained retirement age (as de-
fined in section 216(l)(1)), and 
‘‘(3) has not become entitled to old-age insur-
ance benefits under section 202(a),
may file with the Board under this section, in such form 
and manner as shall be prescribed in regulations of the 
Board, a written form electing the status of ‘participant’ 
for purposes of this part. On and after the effective date 
of the election, such individual shall be treated as a partic-
ipant under this part with respect to wages received in 
any calendar year beginning on or after such date and 
self-employment income for any taxable year beginning on 
or after such effective date. 
‘‘(b) EFFECTIVE DATE OF ELECTION.—An election 
under this section shall take effect on January 1 of the 
first calendar year beginning after 60 days after the date 
of the filing of the election in accordance with subsection 
(a). 
‘‘(c) IRREVOCABILITY.—Any election under this sec-
tion shall be irrevocable. 
‘‘SEC. 260. EARLY DISTRIBUTION AND TERMINATION OF 
PARTICIPATION IN PROGRAM. 
‘‘(a) IN GENERAL.—In any case in which the amount 
credited to a participant’s part B totalization account as 
of any date prior to the date on which the participant at-
tains retirement age (as defined in section 216(l)(1)) ac-
crues to a level equal to at least the amount necessary 
to purchase under section 256(c) (as if such date were 
the participant’s retirement date) an immediate life annu-