National Australia Bank Limited (NAUBF) 6-K Current Report of Foreign Issuer

FILE NO 1-9945

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON DC 20549

FORM 6-K

REPORT OF FOREIGN ISSUER

Pursuant to Rule 13a-16 or 15d-16 of
the Securities Exchange Act of 1934

For the month of September 2006

National Australia Bank Limited
ACN 004 044 937
(Registrant’s Name)

Level 24
500 Bourke Street
MELBOURNE VICTORIA 3000
AUSTRALIA

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F  x Form 40-F  o

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes  o No  x

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82

Appendix 3Y
Change of Director’s Interest Notice
Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as possible.  Information and documents given to ASX becomes ASX’s property and may be made public.

Name of Entity                    NATIONAL AUSTRALIA BANK LIMITED

ABN                                                                12 004 044 937

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the Director for the purposes of section 205G of the Corporations Act.

Name of Director                                 George Malcolm WILLIAMSON
Date of last notice                                19 July 2005

Part 1 - Change of Director’s relevant interest in securities
In the case of a trust, this includes interests in the trust made available by the responsibility entity of the trust.

Direct or indirect interest	As shown
Nature of indirect interest (including registered holder Note: provide details of the circumstances giving rise to the relevant interest	As shown
Date of change	28 August 2006
No. of securities held prior to change	5,196 ordinary shares fully paid in the share capital of National Australia Bank Limited
Class	Ordinary
Number acquired	1,200
Number disposed
Value/consideration Note: If consideration is non-cash, provide details and estimated valuation	$43,008
No of securities held after change	6,396 ordinary shares fully paid in the share capital of National Australia Bank Limited
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	On-Market Purchase

MJ HEALEY

Company Secretary

1 September 2006

2

SIGNATURE PAGE

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 authorised.

	NATIONAL AUSTRALIA BANK LIMITED
	Signature:	/s/ Brendan T Case
Date: Ÿ1 September 2006	Name: Brendan T Case
	Title: Associate Company Secretary