UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report

Pursuant To Section 13 or 15 (d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) February 26, 2009

ACE LIMITED

(Exact name of registrant as specified in its charter)

Switzerland	1-11778	98-0091805
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

Bärengasse 32

CH-8001 Zurich, Switzerland

(Address of principal executive offices)

Registrant’s telephone number, including area code: +41 (0)43 456 76 00

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

On February 26, 2009, the Board of Directors amended sections 6 and 7 of the company’s Organizational Regulations to reflect changes that had been made to the audit committee and compensation committee charters regarding the audit committee’s review of enterprise risk management and the compensation committee’s evaluation and review procedures. A copy of the Organizational Regulations, as amended and restated, is attached as Exhibit 3 hereto and incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

Exhibit Number	Description
3	Organizational Regulations of the company, as amended and restated
4	Organizational Regulations of the company, as amended and restated (Incorporated by reference to Exhibit 3)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

ACE LIMITED
By:	/s/ Robert F. Cusumano
	Robert F. Cusumano
	General Counsel

DATE: March 4, 2009

EXHIBIT INDEX

Number	Description	Method of Filing
3	Organizational Regulations of the company, as amended and restated	Furnished herewith
4	Organizational Regulations of the company, as amended and restated	Incorporated by reference to Exhibit 3