_________________________________
                                               |        OMB APPROVAL           |
                                               |-------------------------------|
                                               | OMB Number:  3235-0167        |
                                               | Expires:   October 31, 2001   |
                                               | Estimated average burden      |
                                               | hours per response.......1.50 |
                                               |_______________________________|



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



                                   FORM 15/A

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   1-13051
                                                                        -------


Markel North America, Inc. (formerly Markel Corporation)
- --------------------------------------------------------------------------------
            (Exact name of registrant as specified in its charter)

4521 Highwoods Parkway, Glen Allen, VA 23060, (804) 747-0136
- --------------------------------------------------------------------------------
    (Address, including zip code, and telephone number, including area code,
                  of registrant's principal executive offices)

(1) Common Stock, no par value              (3) Series A and Series B Capital
(2) Senior Notes, issued October 26, 1993       Securities of Markel Capital
                                                Trust I.
- --------------------------------------------------------------------------------
            (Title of each class of securities covered by this Form)

N/A
- --------------------------------------------------------------------------------
 (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)  [X]              Rule 12h-3(b)(1)(i)  [X]
        Rule 12g-4(a)(1)(ii) [ ]              Rule 12h-3(b)(1)(ii) [ ]
        Rule 12g-4(a)(2)(i)  [ ]              Rule 12h-3(b)(2)(i)  [ ]
        Rule 12g-4(a)(2)(ii) [ ]              Rule 12h-3(b)(2)(ii) [ ]
                                              Rule 15d-6           [X]


     Approximate number of holders of record as of the certification or notice
date:  (1) one, Common Stock
       (2) 58   Senior Notes
       (3) one  Series A, and 27, Series B Capital Securities
        -------------------------------------------------------

     Pursuant to the requirements of the Securities Exchange Act of 1934 (Name
of registrant as specified in charter) has caused this certification/notice to
be signed on its behalf by the undersigned duly authorized person.

Date:   April 10, 2000            By:  /s/ Darrell D. Martin
        --------------                 ---------------------
                                        Darrell D. Martin  -
                                        Executive Vice President and
                                          Chief Financial Officer

Instruction:  This form is required by Rules 12g-4, 12h-3 and 15d-6 of the
General Rules and Regulations under the Securities Exchange Act of 1934. The
registrant shall file with the Commission three copies of Form 15, one of which
shall be manually signed. It may be signed by an officer of the registrant, by
counsel or by any other duly authorized person. The name and title of the person
signing the form shall be typed or printed under the signature.



                  Potential persons who are to respond to the collection of
                  information contained in this form are not required to
                  respond unless the form displays a currently valid OMB
SEC 2069 (3-99)   control number.