UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549

                                    FORM 15

CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF
THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS
UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934.

                                          Commission File Number 333-110343-12
                                                                 -------------


                                  CWALT, Inc.
- -------------------------------------------------------------------------------
            (Exact name of registrant as specified in its charter)

                               4500 Park Granada
                  Calabasas, California 91302 (818) 225-3000
- -------------------------------------------------------------------------------
         (Address, including zip code, and telephone number, including area
            code, of registrant's principal executive offices)

                 CWALT, Inc., Alternative Loan Trust 2004-J4,
              Mortgage Pass-Through Certificates, Series 2004-J4
- -------------------------------------------------------------------------------
           (Title of each class of securities covered by this Form)

                                     None
- -------------------------------------------------------------------------------
        (Titles of all other classes of securities for which a duty to file
              reports under section 13(a) or 15(d) remains)

     Please place an X in the box(es) to designate the appropriate rule
provision(s) relied upon to terminate or suspend the duty to file reports:

          Rule 12g-4(a)(1)(i)  [ ]    Rule 12h-3(b)(1)(ii) [ ]

          Rule 12g-4(a)(1)(ii) [ ]    Rule 12h-3(b)(2)(i)  [ ]

          Rule 12g-4(a)(2)(i)  [ ]    Rule 12h-3(b)(2)(ii) [ ]

          Rule 12g-4(a)(2)(ii) [ ]    Rule 15d-6           [X]

          Rule 12h-3(b)(1)(i)  [ ]

     Approximate number of holders of record as of the certification or notice
date: 4
      -




     Pursuant to the requirements of the Securities Exchange Act of 1934,
CWALT, Inc. has caused this certification/notice to be signed on its behalf by
the undersigned duly authorized person.




DATE:   January 28, 2005                             BY:  /s/ Darren Bigby
                                                          -----------------

                                                            Darren Bigby
                                                            Vice President
                                      2