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

                                    Form N-8F

I.      General Identifying Information

1.      Reason fund is applying to deregister (check only one; for descriptions,
        see Instruction 1 above):

        [ ]     Merger

        [ ]     Liquidation

        [X]     Abandonment of Registration
                (Note: Abandonments of Registration answer only questions 1
                through 15, 24 and 25 of this form and complete verification at
                the end of the form.)

        [ ]     Election of status as a Business Development Company
                (Note: Business Development Companies answer only questions 1
                through 10 of this form and complete verification at the end of
                the form.)

2.      Name of fund:  Nuveen Insured CA Tax Free Advantage Municipal Fund 2

3.      Securities and Exchange Commission File No.:  811-21304

4.      Is this an initial Form N-8F or an amendment to a previously filed Form
        N-8F?

        [ ]     Initial Application     [X]     Amendment

5.      Address of Principal Executive Office (include No. & Street, City,
        State, Zip Code): 333 West Wacker Drive, Chicago, IL 60606

6.      Name, address and telephone number of individual the Commission staff
        should contact with any questions regarding this form: Stacy H. Winick,
        Bell, Boyd & Lloyd LLC, 1615 L Street, N.W., Suite 1200, Washington, DC
        20036, (202) 466-6300

7.      Name, address and telephone number of individual or entity responsible
        for maintenance and preservation of fund records in accordance with
        rules 31a-1 and 31a-2 under the Act [17 CFR 270.31a-1, .31a-2]: Nuveen
        Advisory Corp., 333 West Wacker Drive, Chicago, IL 60606

        Note: Once deregistered, a fund is still required to maintain and
        preserve the records described in rules 31a-1 and 31a-2 for the periods
        specified in those rules.



8.      Classification of fund (check only one):

        [X]     Management company;

        [ ]     Unit investment trust; or

        [ ]     Face-amount certificate company.

9.      Subclassification if the fund is a management company (check only one):

        [ ]     Open-end     [X]     Closed-end

10.     State law under which the fund was organized or formed (e.g., Delaware,
        Massachusetts): Massachusetts

11.     Provide the name and address of each investment adviser of the fund
        (including sub-advisers) during the last five years, even if the fund's
        contracts with those advisers have been terminated: Nuveen Advisory
        Corp., 333 West Wacker Drive, Chicago, IL 60606

12.     Provide the name and address of each principal underwriter of the fund
        during the last five years, even if the fund's contracts with those
        underwriters have been terminated: Nuveen Investments Inc., 333 West
        Wacker Drive, Chicago, IL 60606

        Nuveen Insured CA Tax Free Advantage Municipal Fund 2 has never made a
        public offering of its securities.

13.     If the fund is a unit investment trust ("UIT") provide:

        (a)     Depositor's name(s) and address(es):

        (b)     Trustee's name(s) and address(es):

14.     Is there a UIT registered under the Act that served as a vehicle for
        investment in the fund (e.g., an insurance company separate account)?

        [ ] Yes      [X] No

        If yes, for each UIT state:
                Name(s):

                File No.:  811-_____

                Business Address:

15.     (a)     Did the fund obtain approval from the board of directors
                concerning the decision to engage in a Merger, Liquidation or
                Abandonment of Registration?

                [X] Yes     [ ] No

                If Yes, state the date on which the board vote took place:
                November 16-18, 2004

                If No, explain:



        (b)     Did the fund obtain approval from the shareholders concerning
                the decision to engage in a Merger, Liquidation or Abandonment
                of Registration?

                [ ] Yes     [X] No

                If Yes, state the date on which the shareholder vote took place:

                If No, explain: The fund has no shareholders.

II.      Distributions to Shareholders

16.     Has the fund distributed any assets to its shareholders in connection
        with the Merger or Liquidation?

        [ ] Yes     [ ] No

        (a)     If Yes, list the date(s) on which the fund made those
                distributions:

        (b)     Were the distributions made on the basis of net assets?

                [ ] Yes     [ ] No

        (c)     Were the distributions made pro rata based on share ownership?

                [ ] Yes     [ ] No

        (d)     If No to (b) or (c) above, describe the method of distributions
                to shareholders. For Mergers, provide the exchange ratio(s) used
                and explain how it was calculated:

        (e)     Liquidations only: Were any distributions to shareholders made
                in kind?

                [ ] Yes     [ ] No

                If Yes, indicate the percentage of fund shares owned by
                affiliates, or any other affiliation of shareholders:

17.     Closed-end funds only:
        Has the fund issued senior securities?

        [ ] Yes     [ ] No

        If Yes, describe the method of calculating payments to senior
        securityholders and distributions to other shareholders:

18.     Has the fund distributed all of its assets to the fund's shareholders?

        [ ] Yes     [ ] No

        If No,
        (a)     How many shareholders does the fund have as of the date this
                form is filed?

        (b)     Describe the relationship of each remaining shareholder to the
                fund:



19.     Are there any shareholders who have not yet received distributions in
        complete liquidation of their interests?

        [ ] Yes     [ ] No

        If Yes, describe briefly the plans (if any) for distributing to, or
        preserving the interests of, those shareholders:

III.    Assets and Liabilities

20.     Does the fund have any assets as of the date this form is filed? (See
        question 18 above)

        [ ] Yes     [ ] No

        If Yes,
        (a)     Describe the type and amount of each asset retained by the fund
                as of the date this form is filed:

        (b)     Why has the fund retained the remaining assets?

        (c)     Will the remaining assets be invested in securities?

                [ ] Yes     [ ] No

21.     Does the fund have any outstanding debts (other than face-amount
        certificates if the fund is a face-amount certificate company) or any
        other liabilities?

        [ ] Yes     [ ] No

        If Yes,
        (a)     Describe the type and amount of each debt or other liability:

        (b)     How does the fund intend to pay these outstanding debts or other
                liabilities?

IV.     Information About Event(s) Leading to Request For Deregistration

22.     (a)     List the expenses incurred in connection with the Merger or
                Liquidation:

                (i)     Legal expenses:

                (ii)    Accounting expenses:

                (iii)   Other expenses (list and identify separately)

                (iv)    Total expenses (sum of lines (i)-(iii) above):

        (b)     How were those expenses allocated?

        (c)     Who paid those expenses?

        (d)     How did the fund pay for unamortized expenses (if any)?



23.     Has the fund previously filed an application for an order of the
        Commission regarding the Merger or Liquidation?

        [ ] Yes     [ ] No

        If Yes, cite the release numbers of the Commission's notice and order
        or, if no notice or order has been issued, the file number and date the
        application was filed:

V.      Conclusion of Fund Business

24.     Is the fund a party to any litigation or administrative proceeding?

        [ ] Yes     [X] No

        If Yes, describe the nature of any litigation or proceeding and the
        position taken by the fund in that litigation:

25.     Is the fund now engaged, or intending to engage, in any business
        activities other than those necessary for winding up its affairs?

        [ ] Yes     [X] No

        If Yes, describe the nature and extent of those activities:

VI.     Mergers Only

26.     (a)     State the name of the fund surviving the Merger:

        (b)     State the Investment Company Act file number of the fund
                surviving the Merger: 811-_____

        (c)     If the merger or reorganization agreement has been filed with
                the Commission, state the file number(s), form type used and
                date the agreement was filed:

        (d)     If the merger or reorganization agreement has not been filed
                with the Commission, provide a copy of the agreement as an
                exhibit to this form.



                                  VERIFICATION

        The undersigned states that (i) she has executed this Amended Form N-8F
application for an order under section 8(f) of the Investment Company Act of
1940 on behalf of Nuveen Insured CA Tax Free Advantage Municipal Fund 2, (ii)
she is the Vice President and Secretary of Nuveen Insured CA Tax Free Advantage
Municipal Fund 2, and (iii) all actions by shareholders, directors, and any
other body necessary to authorize the undersigned to execute and file this
Amended Form N-8F application have been taken. The undersigned also states that
the facts set forth in this Amended Form N-8F application are true to the best
of her knowledge, information and belief.


                                        /s/ Jessica R. Droeger
                                        ----------------------------------------
                                        Jessica R. Droeger
                                        Vice President and Secretary