----------------------------------------------------------------------------------------------- Next Current Succeeding Class Coupon Type Coupon Coupon Original Par CUSIP # ----------------------------------------------------------------------------------------------- IIA-1 Fixed 5.00000% 5.00000% $41,227,000.00 17308FAG4 **~ IIA-IO WAC IO 0.37087% 0.37061% $40,711,160.45 ------------------- Class A - 15 YR Total $41,227,000.00 ~ IA-1 LIBOR - Spr Snr 3.60000% 4.04125% $183,600,000.00 17308FAA7 **~ IA-2 Inv LIBOR - IO 1.90000% 1.45875% $191,250,000.00 17308FAB5 ~ IA-3 LIBOR-Spr Snr Sup 3.60000% 4.04125% $7,650,000.00 17308FAC3 IA-4 Fixed 5.50000% 5.50000% $11,618,000.00 17308FAD1 IA-5 NAS - Spr Snr 5.50000% 5.50000% $21,696,000.00 17308FAE9 IA-6 NAS - Spr Snr Sup 5.50000% 5.50000% $845,000.00 17308FAF6 **~ IA-IO WAC IO 0.46614% 0.46265% $213,729,852.85 ------------------- Class A - 30 YR Total $225,409,000.00 ~ A-PO Principal Only 0.00000% 0.00000% $1,159,246.00 17308FAH2 ------------------- Class A - COMB Total $1,159,246.00 B-1 Subordinated 5.42273% 5.42291% $4,869,000.00 17308FAJ8 B-2 Subordinated 5.42274% 5.42291% $2,087,000.00 17308FAK5 B-3 Subordinated 5.42273% 5.42291% $1,252,000.00 17308FAL3 B-4 Subordinated 5.42274% 5.42291% $835,000.00 17308FAM1 B-5 Subordinated 5.42274% 5.42291% $835,000.00 17308FAN9 B-6 Subordinated 5.42274% 5.42291% $556,921.54 17308FAP4 ------------------- Class SUB Total $10,434,921.54 =================== $278,230,167.54 ** Denotes Notional Balance ~ These classes constitute regular interests in a separate REMIC election in the same trust.UNITED STATES

~~----------------------------------------------------------------------------------------------------------------~~SECURITIES AND ~~Non~~EXCHANGE Interest Supported * Interest Interest Principal CLASS Accrued Shortfall Shortfall Recoveries Recoveries Interest Paid ---------------------------------------------------------------------------------------------------------------- IIA-1 $171,779.17 $0.00 $0.00 $0.00 $0.00 $171,779.17 IIA-IO $12,582.19 $0.00 $0.00 $0.00 $0.00 $12,582.19 ----------------------------------------------------------------------------------------------------- A -15 YR Tot $184,361.36 $0.00 $0.00 $0.00 $0.00 $184,361.36 IA-1 $550,800.00 $0.00 $0.00 $0.00 $0.00 $550,800.00 IA-2 $302,812.50 $0.00 $0.00 $0.00 $0.00 $302,812.50 IA-3 $22,950.00 $0.00 $0.00 $0.00 $0.00 $22,950.00 IA-4 $53,249.17 $0.00 $0.00 $0.00 $0.00 $53,249.17 IA-5 $99,440.00 $0.00 $0.00 $0.00 $0.00 $99,440.00 IA-6 $3,872.92 $0.00 $0.00 $0.00 $0.00 $3,872.92 IA-IO $83,023.90 $0.00 $0.00 $0.00 $0.00 $83,023.90 ----------------------------------------------------------------------------------------------------- A -30 YR Tot $1,116,148.49 $0.00 $0.00 $0.00 $0.00 $1,116,148.49 A-PO $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 ----------------------------------------------------------------------------------------------------- A -COMB Tota $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 RES $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 ----------------------------------------------------------------------------------------------------- RES Total $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 B-1 $22,002.74 $0.00 $0.00 $0.00 $0.00 $22,002.74 B-2 $9,431.04 $0.00 $0.00 $0.00 $0.00 $9,431.04 B-3 $5,657.72 $0.00 $0.00 $0.00 $0.00 $5,657.72 B-4 $3,773.32 $0.00 $0.00 $0.00 $0.00 $3,773.32 B-5 $3,773.32 $0.00 $0.00 $0.00 $0.00 $3,773.32 B-6 $2,516.70 $0.00 $0.00 $0.00 $0.00 $2,516.70 ----------------------------------------------------------------------------------------------------- SUB Total $47,154.84 $0.00 $0.00 $0.00 $0.00 $47,154.84 ====================================================================================================== Total $1,347,664.69 $0.00 $0.00 $0.00 $0.00 $1,347,664.69 * Regular and residual interests have equal rights to service fee to reduce non-supported prepaymenCOMMISSION

----------------------------------------------------------------------------- Interest Cum Unpaid Relief Act Paid Per Interest Interest CLASS Certificate Shortfalls Shortfalls ----------------------------------------------------------------------------- IIA-1 4Washington, D.~~16666675 $0~~C.00 $0.00 IIA-IO 0.30905997 $0.00 $0.00 -------------------------------------- A - 15 YR Tota $0.00 $0.00 IA-1 3.00000000 $0.00 $0.00 IA-2 1.58333333 $0.00 $0.00 IA-3 3.00000000 $0.00 $0.00 IA-4 4.58333362 $0.00 $0.00 IA-5 4.58333333 $0.00 $0.00 IA-6 4.58333728 $0.00 $0.00 IA-IO 0.38845252 $0.00 $0.00 -------------------------------------- A - 30 YR Tota $0.00 $0.00 A-PO 0.00000000 $0.00 $0.00 -------------------------------------- A - COMB Total $0.00 $0.00 RES 0.00000000 $0.00 $0.00 -------------------------------------- RES Total $0.00 $0.00 B-1 4.51894434 $0.00 $0.00 B-2 4.51894586 $0.00 $0.00 B-3 4.51894569 $0.00 $0.00 B-4 4.51894611 $0.00 $0.00 B-5 4.51894611 $0.00 $0.00 B-6 4.51894893 $0.00 $0.00 -------------------------------------- SUB Total $0.00 $0.00 ========================================== Total $0.00 $0.0020549

--------------------------------------------------------------------------------------------------------------- Certificate Reductions not part of Principal distributions Paid Cumulative Principal to reduce Principal Per Principal CLASS Due Stated Amount Paid Certificate Loss --------------------------------------------------------------------------------------------------------------- IIA-1 $197,833.36 $0.00 $197,833.36 4.79863585 0.00 IIA-IO $.00 $0.00 $.00 0.00000000 0.00 ---------------------------------------------------------------------------------------------------- A - 15 YR Total $197,833.36 $0.00 $197,833.36 0.00 IA-1 $2,160,823.15 $0.00 $2,160,823.15 11.76918927 0.00 IA-2 $.00 $0.00 $.00 0.00000000 0.00 IA-3 $90,034.30 $0.00 $90,034.30 11.76918954 0.00 IA-4 $.00 $0.00 $.00 0.00000000 0.00 IA-5 $.00 $0.00 $.00 0.00000000 0.00 IA-6 $.00 $0.00 $.00 0.00000000 0.00 IA-IO $.00 $0.00 $.00 0.00000000 0.00 ---------------------------------------------------------------------------------------------------- A - 30 YR Total $2,250,857.45 $0.00 $2,250,857.45 0.00 A-PO $2,262.73 $0.00 $2,262.73 1.95189804 0.00 ---------------------------------------------------------------------------------------------------- A - COMB Total $2,262.73 $0.00 $2,262.73 0.00 B-1 $7,101.02 $0.00 $7,101.02 1.45841446 0.00 B-2 $3,043.71 $0.00 $3,043.71 1.45841399 0.00 B-3 $1,825.93 $0.00 $1,825.93 1.45841054 0.00 B-4 $1,217.77 $0.00 $1,217.77 1.45840719 0.00 B-5 $1,217.77 $0.00 $1,217.77 1.45840719 0.00 B-6 $812.22 $0.00 $812.22 1.45841010 0.00 ---------------------------------------------------------------------------------------------------- SUB Total $15,218.42 $0.00 $15,218.42 0.00 ===================================================================================================== Total $2,466,171.96 $0.00 $2,466,171.96 0.00 Aggr. Scheduled Principal Payments: $406,283.06 Aggr. Principal Prepayments: $2,059,888.90_____________

FORM 8----------------------------------------------------------------------------------------------------------------------------------- CLASS Previous Period's Ending Period's Beginning Balance Ending Balance Ending Balance Beginning Ending Prepayment Balance Balance Per Certificate Per Certificate Pool Factor Class PCT Class PCT Percentage ----------------------------------------------------------------------------------------------------------------------------------- IIA-1 $41,227,000.00 $41,029,166.64 1,000.00000000 995.20136415 0.99520136 96.235821835% 96.232102348% 100.000000000% ** IIA-IO $40,711,160.45 $40,516,962.45 1,000.00000000 995.22985840 0.99522986 0.000000000% 0.000000000% 0.000000000% ----------------------------------------------------------------------------------------------------------------------- A-15YR Tot $41,227,000.00 $41,029,166.64 96.235821835% 96.232102348% 100.000000000% IA-1 $183,600,000.00$181,439,176.85 1,000.00000000 988.23081073 0.98823081 78.384037323% 78.216191118% 96.000000000% ** IA-2 $191,250,000.00$188,999,142.55 1,000.00000000 988.23081072 0.98823081 0.000000000% 0.000000000% 0.000000000% IA-3 $7,650,000.00 $7,559,965.70 1,000.00000000 988.23081046 0.98823081 3.266001555% 3.259007962% 4.000000000% IA-4 $11,618,000.00 $11,618,000.00 1,000.00000000 1,000.00000000 1.00000000 4.960053080% 5.008376494% 0.000000000% IA-5 $21,696,000.00 $21,696,000.00 1,000.00000000 1,000.00000000 1.00000000 9.262636567% 9.352877983% 0.000000000% IA-6 $845,000.00 $845,000.00 1,000.00000000 1,000.00000000 1.00000000 0.360754420% 0.364269077% 0.000000000% ** IA-IO $213,729,852.85$211,498,785.05 1,000.00000000 989.56127200 0.98956127 0.000000000% 0.000000000% 0.000000000% ----------------------------------------------------------------------------------------------------------------------- A-30YR Tot $225,409,000.00$223,158,142.55 96.233482946% 96.200722635% 100.000000000% A-PO $1,159,246.00 $1,156,983.27 1,000.00000000 998.04810196 0.99804810 0.000000000% 0.000000000% 0.000000000% ----------------------------------------------------------------------------------------------------------------------- A-COMB Tot $1,159,246.00 $1,156,983.27 0.000000000% 0.000000000% 0.000000000% B-1 $4,869,000.00 $4,861,898.98 1,000.00000000 998.54158554 0.99854159 1.757311800% 1.770493382% 0.000000000% B-2 $2,087,000.00 $2,083,956.29 1,000.00000000 998.54158601 0.99854159 0.753236748% 0.758886771% 0.000000000% B-3 $1,252,000.00 $1,250,174.07 1,000.00000000 998.54158946 0.99854159 0.451869865% 0.455259339% 0.000000000% B-4 $835,000.00 $833,782.23 1,000.00000000 998.54159281 0.99854159 0.301366883% 0.303627435% 0.000000000% B-5 $835,000.00 $833,782.23 1,000.00000000 998.54159281 0.99854159 0.301366883% 0.303627435% 0.000000000% B-6 $556,921.54 $556,109.32 1,000.00000000 998.54158990 0.99854159 0.201003243% 0.202510968% 0.000000000% ----------------------------------------------------------------------------------------------------------------------- SUB Total $10,434,921.54 $10,419,703.12 3.766155424% 3.794405333% 0.000000000% ====================================================================================================================== Total $278,230,167.54 $275,763,995.58 PO Balance $1,159,246.00 $1,156,983.27 Non PO Bal $277,070,921.54 $274,607,012.31K

--------------------------------------------------------------------------------------------------------- Number of Amount of Scheduled Amount of Actual loans Balance Balance Pool Item # PCT Amount PCT Amount PCT --------------------------------------------------------------------------------------------------------- (2) 30-59 DAYS 15 1.30% $3,259,934.84 1.18% $3,268,234.20 1.19% (2) 60-89 Days 0 0.00% $0.00 0.00% $0.00 0.00% (2) 90 + DAYS 0 0.00% $0.00 0.00% $0.00 0.00% REAL ESTATE OWNED BY THE TRUST 0 0.00% $0.00 0.00% $0.00 0.00% FORECLOSURES IN PROCESS 0 0.00% $0.00 0.00% $0.00 0.00% BANKRUPTCIES IN PROCESS 0 0.00% $0.00 0.00% $0.00 0.00% PURCHASE AMOUNT ADVANCES NA (2) 30-59 DAYS 13 1.39% $3,000,249.73 1.29% $3,006,664.35 1.29% 30 YR REG (2) 60-89 Days 0 0.00% $0.00 0.00% $0.00 0.00% (2) 90 + DAYS 0 0.00% $0.00 0.00% $0.00 0.00% REAL ESTATE OWNED BY THE TRUST 0 0.00% $0.00 0.00% $0.00 0.00% FORECLOSURES IN PROCESS 0 0.00% $0.00 0.00% $0.00 0.00% BANKRUPTCIES IN PROCESS 0 0.00% $0.00 0.00% $0.00 0.00% PURCHASE AMOUNT ADVANCES NA (2) 30-59 DAYS 2 0.91% $259,685.11 0.61% $261,569.85 0.61% 15 YR REG (2) 60-89 Days 0 0.00% $0.00 0.00% $0.00 0.00% (2) 90 + DAYS 0 0.00% $0.00 0.00% $0.00 0.00% REAL ESTATE OWNED BY THE TRUST 0 0.00% $0.00 0.00% $0.00 0.00% FORECLOSURES IN PROCESS 0 0.00% $0.00 0.00% $0.00 0.00% BANKRUPTCIES IN PROCESS 0 0.00% $0.00 0.00% $0.00 0.00% PURCHASE AMOUNT ADVANCES NACURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report: June 28, 2006

(Date of earliest event reported)

CITICORP MORTGAGE SECURITIES TRUST, SERIES 2006-3

(Issuer in Respect of the Citicorp Mortgage Securities Trust, Series 2006-3 REMIC Pass-Through Certificates)

(Exact name of issuing entity as specified in its charter)

CITICORP MORTGAGE SECURITIES, INC.

(Exact name of depositor as specified in its charter)

CITICORP MORTGAGE SECURITIES, INC.

(Exact name of sponsor as specified in its charter)

New York	333-130333-04	Applied For
(State or other jurisdiction of organization of issuing entity	(Commission File No. of Issuing Entity)	(I.R.S. Employer Identification No.)

1000 Technology Drive, O'Fallon, Missouri	63368
(Address of principal executive offices)	(Zip Code)

Depositor's Telephone Number, including area code: (636) 261-1313

Not Applicable

(Former name, former address and former fiscal year, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

|_| Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

|_| Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

|_| Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

|_| Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

ITEM 9.01 Financial Statements and Exhibits

(d) Exhibits

Item 601(a) of Regulation S-K

Exhibit No.	Description
(5.1)	Legality Opinion of Michael S. Zuckert, Esq.
(8.1)	Tax Opinion of Cadwalader, Wickersham & Taft LLP.
(23.1)	Consent of Michael S. Zuckert (included as part of Exhibit 5.1).
(23.2)	Consent of Cadwalader, Wickersham & Taft LLP (included as part of Exhibit 8.1).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the depositor has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Dated: June 28, 2006

CITICORP MORTGAGE SECURITIES, INC.

(Depositor)

By: /s/ Howard Darmstadter

-----------------------------

Howard Darmstadter

Assistant Secretary

Index to Exhibits

Exhibit No.	Description
(5.1)	Legality Opinion of Michael S. Zuckert, Esq.
(8.1)	Tax Opinion of Cadwalader, Wickersham & Taft LLP.
(23.1)	Consent of Michael S. Zuckert (included as part of Exhibit 5.1).
(23.2)	Consent of Cadwalader, Wickersham & Taft LLP (included as part of Exhibit 8.1).

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