LETTER AGREEMENT

 Form of Exhibit (g)(31)

LETTER AGREEMENT

November 14, 2012

Xxxxxx Xxxxxxx, Esq.
State Street Bank and Trust Company
Global Investor Services Group
0 Xxxxxx xx Xxxxxxxxx XXX/0X
Xxxxxx, Xxxxxxxxxxxxx 00000

Dear Xx. Xxxxxxx:

Please be advised that Janus Investment Fund (the “Trust”) has established Janus Diversified Alternatives Fund (the “Fund”), as a new series of the Trust, effective on or about December 28, 2012. Pursuant to Section 18 of the existing Amended and Restated Custodian Contract between the Trust and State Street Bank and Trust Company (“State Street”) (the “Contract”), the Trust requests confirmation that State Street will act as custodian for the Fund under the terms of the Contract.

Please indicate your acceptance of the foregoing by executing two copies of this Letter Agreement, returning one copy to the Trust and retaining one copy for your records.

JANUS INVESTMENT FUND
 

By:  

Xxxxxxxxx Xxxxxxxxxx-Xxxxxx, 

Vice President and Secretary 

STATE STREET BANK AND TRUST COMPANY
 

By:  

Xxxxxxx X. Xxxxxx 

Executive Vice President 

Agreed to this ____ day of _____________ 2012