U.S. SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   FORM 12B-25

                           NOTIFICATION OF LATE FILING

                                                          SEC FILE NO. 001-04673

                                                          CUSIP NUMBER 971889100


                                  (Check One):

|X| Form 10-K and Form 10-KSB |_| Form 20-F |_| Form 11-K |_| Form 10-Q and
                           Form 10-QSB |_| Form N-SAR

         For Period Ended: December 31, 1999

          |_|     Transition Report on Form 10-K
          |_|     Transition Report on Form 20-F
          |_|     Transition Report on Form 11-K
          |_|     Transition Report on Form 10-Q
          |_|     Transition Report on Form N-SAR

         For the Transition Period Ended: ____________________


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         Read Attached Instruction Sheet Before Preparing Form.  Please Print
or Type.

         Nothing in this form shall be construed to imply that the Commission
has verified any information contained herein.

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         If the notification relates to a portion of the filing checked above,
identify the Item(s) to which the notification relates:

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PART I -- REGISTRANT INFORMATION

Full Name of Registrant                     Wilshire Oil Company of Texas

Former Name if Applicable                   N/A

Address of Principal Executive Office       921 Bergen Avenue, 11th Floor
(Street and Number)                         Jersey City, New Jersey  07306
City, State and Zip Code





PART II -- RULES 12B-25(b) AND (c)

         If the subject report could not be filed without unreasonable effort or
expense and the registrant seeks relief pursuant to Rule 12b-25(b), the
following should be completed. (Check box if appropriate)

|X|               (a) The reasons described in reasonable detail in Part III of
                  this form could not be eliminated without unreasonable effort
                  or expense;

|X|               (b) The subject annual report, semi-annual report, transition
                  report on Forms 10-K, 20-F, 11-K or Form N-SAR, or portion
                  thereof, will be filed on or before the fifteenth calendar day
                  following the prescribed due date; or the subject quarterly
                  report or transition report on Form 10-Q, or portion thereof,
                  will be filed on or before the fifth calendar day following
                  the prescribed due date; and

|X|               (c) The accountant's statement or other exhibit required by
                  Rule 12b-25(c) has been attached if applicable.

PART III -- NARRATIVE

         State below in reasonable detail the reasons why Forms 10-K, 10-KSB,
11-K, 10-Q, 10-QSB, N-SAR, or the transition report, or portion thereof, could
not be filed within the prescribed time period. (Attach Extra Sheets if Needed)

         The required study of the Company's Canadian oil reserves has been
delayed.

PART IV -- OTHER INFORMATION

         (1) Name and telephone number of person to contact in regard to this
notification.

         Charles Lenzinger                  (201) 420-2796
          Vice President
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         (Name and Title)                   (Area Code)       (Telephone Number)






         (2) Have all other periodic reports required under Sections 13 or 15(d)
of the Securities Exchange Act of 1934 or Section 30 of the Investment Company
Act of 1940 during the preceding 12 months or for such shorter period that the
registrant was required to file such report(s) been filed? If answer is no,
identify report(s).

                                           |X|  Yes           |_| No

         (3) Is it anticipated that any significant change in results of
operations from the corresponding period for the last fiscal year will be
reflected by the earnings statements to be included in the subject report or
portion thereof?

                                           |_|  Yes           |X|  No

         If so: attach an explanation of the anticipated change, both
narratively and quantitatively, and, if appropriate, state the reasons why a
reasonable estimate of the results cannot be made.






                          Wilshire Oil Company of Texas
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                  (Name of Registrant as Specified in Charter)


has caused this notification to be signed on its behalf by the undersigned
thereunto duly authorized.

Date:   March 30, 2000             By:  /s/ CHARLES LENZINGER
                                        ---------------------
                                   Name:    Charles Lenzinger
                                   Title:    Vice President

INSTRUCTION: The form may be signed by an executive officer of the registrant or
by any other duly authorized representative. The name and title of the person
signing the form shall be typed or printed beneath the signature. If the
statement is signed on behalf of the registrant by an authorized representative
(other than an executive officer), evidence of the representative's authority to
sign on behalf of the registrant shall be filed with the form.

- ---------------------------------- ATTENTION------------------------------------

         Intentional misstatements or omissions of fact constitute Federal
Criminal Violations (See 18 U.S.C. 1001)

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                              GENERAL INSTRUCTIONS

1.   This form is required by Rule 12b-25 of the General Rules and Regulations
     under the Securities Exchange Act of 1934.

2.   One signed original and four conformed copies of this form and amendments
     thereto must be completed and filed with the Securities and Exchange
     Commission, Washington, D.C. 20549, in accordance with Rule 0-3 of the
     General Rules and Regulations under the Act. The information contained in
     or filed with the form will be made a matter of public record in the
     Commission files.

3.   A manually signed copy of the form and amendments thereto shall be filed
     with each national securities exchange on which any class of securities of
     the registrant is registered.

4.   Amendments to the notifications must also be filed on Form 12b-25 but need
     not restate information that has been correctly furnished. The form shall
     be clearly identified as an amended notification.

5.   Electronic Filers. This form shall not be used by electronic filers unable
     to timely file a report solely due to electronic difficulties. Filers
     unable to submit a report within the time period prescribed due to
     difficulties in electronic filing should comply with either Rule 201 or
     Rule 202 of Regulation S-T (ss.232.201 or ss.232.202 of this chapter) or
     apply for an adjustment in filing date pursuant to Rule 13(b) of Regulation
     S-T (ss.232.13(b) of this chapter.



CITADEL [LOGO]
ENGINEERING LTD
PETROLEUM CONSULTANTS

March 29, 2000


Wilshire Oil of Canada, Ltd.
1150, 444-5 Avenue S.W.
Calgary, Ab. T2P 2T8

Attention: Mr. A. Knight, Vice President

Re:  Annual Company Appraisal Report

Dear sir,

Reference is made to the above captioned subject. Please be advised that due to
the late arrival of date pertinent to this year's appraisal of Wilshire Oil of
Canada, Ltd.'s Canadian oil and gas properties. The final bound copies of the
report will not be ready until April 5. We apologize for the delay, however, the
data we were delayed in receiving was vital to producing an accurate report.

We will endeavour to get the report finalized in all due haste. Should you
require anything further, please do not hesitate to contact our office.

Yours truly,
CITADEL ENGINEERING LTD.



/s/  L.E. WEBB
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Per: L.E. Webb. P. Eng.







1000 Sun Life Plaza II 140 Fourth Avenue S.W. Calgary, Alberta T2P 3N3
Ph. (403) 264-0551 Fax (403)263-6994