UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 ELECTRONIC SENSOR TECHNOLOGY, INC. (Exact name of registrant as specified in its charter) NEVADA 98-0372780 ---------------------------------------- ------------------------------------ (State of incorporation or organization) (I.R.S. Employer Identification No.) 1077 BUSINESS CENTER CIRCLE, NEWBURY PARK, CALIFORNIA 91320 ----------------------------------------------------- ---------- (Address of principal executive offices) (Zip Code) Securities to be registered pursuant to Section 12(b) of the Act: Title of each class Name of each exchange on which to be so registered each class is to be registered None N/A ---------------------------------- ---------------------------------- ---------------------------------- ---------------------------------- ---------------------------------- ---------------------------------- If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c), check the following box. [ ] If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d), check the following box. [X] Securities Act registration statement file number to which this form relates: ___N/A_____ (if applicable) Securities to be registered pursuant to Section 12(g) of the Act: Common Stock, par value $.001 per share -------------------------------------------------------------------------------- (Title of class) -------------------------------------------------------------------------------- (Title of class) Item 1. Description of Registrant's Securities to be Registered. Information set forth under the caption "Description of Securities" in our amended registration statement on Form SB-2/A (Registration No. 333-138977) filed with the Securities and Exchange Commission on November 28, 2006 and declared effective on December 21, 2006, and all amendments thereto, is hereby incorporated herein by reference. Item 2. Exhibits. 1 Description of our common stock in Article Fourth of the Amendment to Electronic Sensor Technology's Articles of Incorporation dated January 25, 2005 (incorporated by reference from Exhibit 3.1 of the registration statement on Form SB-2 filed on January 6, 2006). 2 Description of rights of shareholders of Electronic Sensor Technology in Article I and Article IX of Electronic Sensor Technology's Amended and Restated Bylaws (incorporated by reference from Exhibit 3.1 of the quarterly report on Form 10-QSB filed on August 16, 2006). SIGNATURE Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized. ELECTRONIC SENSOR TECHNOLOGY, INC. Date: December 29, 2006 By: /s/ Philip Yee ------------------------------------------------ Philip Yee Secretary, Treasurer and Chief Financial Officer (Principal Financial and Accounting Officer)