The Department of the Treasury (Treasury) dates monthly SSI checks for the first day of the month. For dates falling on Saturdays, Sundays, or Federal holidays, Treasury dates the SSI check for the business day immediately preceding the 1^st. For example, the SSI check payment date for September 1, 2024, fell on a Sunday, so the payment date for the September 2024 SSI check was August 30, 2024.

Each eligible individual receives a separate check. Spouses cannot have their checks combined, except in force-pay situations.

Treasury’s Regional Financial Centers (RFCs) splits the processes and issues of SSI checks between its Kansas City RFC and Philadelphia RFC. The Philadelphia RFC processes and issues SSI checks with zip codes starting with the digits 0, 1, 2, 3, or 4. The Kansas City RFC processes all remaining SSI check payments. The SSI daily printing rotates on a quarterly basis between Kansas City and Philadelphia.

Here are some common check identifiers:

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  SSI checks issued for supplemental payments will contain the acronym “SSI” at the bottom of the check;

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  SSI checks that are reoccurring will contain the verbiage “SSI for (payment month)”;

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  checks including a State Supplement will always contain “STATE PAYMENT INCLUDED”; and

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  checks replaced due to nonreceipt allegations will contain “Replaces check 4009 99999999 dated mm/dd/yyyy.” (“4009” represents the original check symbol, and “99999999” represents the original check number).