EX-99.CERT 2 nif_302.htm 302 CERTIFICATIONS~T. ROWE PRICE NEW INCOME FUND 302 Certification- T. Rowe Price New Income Fund
 Item 3.         
 
CERTIFICATIONS
 
 I, James S. Riepe, certify that: 
 
 
 
 1.   
I have reviewed this report on Form N-Q of T. Rowe Price New Income Fund, Inc.; 
 
 2.   
Based on my knowledge, this report does not contain any untrue statement of a material fact or omit 
   
to state a material fact necessary to make the statements made, in light of the circumstances under 
   
which such statements were made, not misleading with respect to the period covered by this report; 
 
 3.   
Based on my knowledge, the schedules of investments included in this report fairly present in all 
   
material respects the investments of the registrant as of the end of the fiscal quarter for which the 
   
report is filed; 
 
 
 
 4.   
The registrant's other certifying officer(s) and I are responsible for establishing and maintaining 
   
disclosure controls and procedures (as defined in rule 30a-3(c) under the Investment Company Act 
   
of 1940) and internal control over financial reporting (as defined in Rule 30a-3(d) under the 
   
Investment Company Act of 1940) for the registrant and have: 
 
           (a)   
Designed such disclosure controls and procedures, or caused such disclosure controls and 
       
procedures to be designed under our supervision, to ensure that material information relating 
       
to the registrant, including its consolidated subsidiaries, is made known to us by others 
       
within those entities, particularly during the period in which this report is being prepared; 
 
           (b)   
Designed such internal control over financial reporting, or caused such internal control over 
       
financial reporting to be designed under our supervision, to provide reasonable assurance 
       
regarding the reliability of financial reporting and the preparation of financial statements for 
external purposes in accordance with generally accepted accounting principles;
 
           (c)   
Evaluated the effectiveness of the registrant's disclosure controls and procedures and 
       
presented in this report our conclusions about the effectiveness of the disclosure controls and 
       
procedures, as of a date within 90 days prior to the filing date of this report, based on such 
       
evaluation; and 
 
 
 
           (d)   
Disclosed in this report any change in the registrant’s internal control over financial reporting 
       
that occurred during the registrant’s most recent fiscal quarter that has materially affected, or 
       
is reasonably likely to materially affect, the registrant’s internal control over financial 
       
reporting; and 
 
 
 
 5.   
The registrant's other certifying officer(s) and I have disclosed to the registrant's auditors and the 
   
audit committee of the registrant's board of directors (or persons performing the equivalent 
   
functions): 
 
 
 
           (a)   
All significant deficiencies and material weaknesses in the design or operation of internal 
       
control over financial reporting which are reasonably likely to adversely affect the 
       
registrant's ability to record, process, summarize, and report financial information; and 
 
           (b)   
Any fraud, whether or not material, that involves management or other employees who have 
       
a significant role in the registrant's internal control over financial reporting. 
 
 
 
Date: April 24, 2006 
 
/s/James S. Riepe 
       
 
 
James S. Riepe 
       
 
 
Principal Executive Officer 
 
 
 
NIF             







CERTIFICATIONS
 
 I, Joseph A. Carrier, certify that:     
 
 1.   
I have reviewed this report on Form N-Q of T. Rowe Price New Income Fund, Inc.; 
 
 2.   
Based on my knowledge, this report does not contain any untrue statement of a material fact or omit 
   
to state a material fact necessary to make the statements made, in light of the circumstances under 
   
which such statements were made, not misleading with respect to the period covered by this report; 
 
 3.   
Based on my knowledge, the schedules of investments included in this report fairly present in all 
   
material respects the investments of the registrant as of the end of the fiscal quarter for which the 
   
report is filed; 
 
 
 
 4.   
The registrant's other certifying officer(s) and I are responsible for establishing and maintaining 
   
disclosure controls and procedures (as defined in rule 30a-3(c) under the Investment Company Act 
   
of 1940) and internal control over financial reporting (as defined in Rule 30a-3(d) under the 
   
Investment Company Act of 1940) for the registrant and have: 
 
           (a)   
Designed such disclosure controls and procedures, or caused such disclosure controls and 
       
procedures to be designed under our supervision, to ensure that material information relating 
       
to the registrant, including its consolidated subsidiaries, is made known to us by others 
       
within those entities, particularly during the period in which this report is being prepared; 
 
           (b)   
Designed such internal control over financial reporting, or caused such internal control over 
       
financial reporting to be designed under our supervision, to provide reasonable assurance 
       
regarding the reliability of financial reporting and the preparation of financial statements for 
external purposes in accordance with generally accepted accounting principles;
 
           (c)   
Evaluated the effectiveness of the registrant's disclosure controls and procedures and 
       
presented in this report our conclusions about the effectiveness of the disclosure controls and 
       
procedures, as of a date within 90 days prior to the filing date of this report, based on such 
       
evaluation; and 
 
 
 
           (d)   
Disclosed in this report any change in the registrant’s internal control over financial reporting 
       
that occurred during the registrant’s most recent fiscal quarter that has materially affected, or 
       
is reasonably likely to materially affect, the registrant’s internal control over financial 
       
reporting; and 
 
 
 
 5.   
The registrant's other certifying officer(s) and I have disclosed to the registrant's auditors and the 
   
audit committee of the registrant's board of directors (or persons performing the equivalent 
   
functions): 
 
 
 
           (a)   
All significant deficiencies and material weaknesses in the design or operation of internal 
       
control over financial reporting which are reasonably likely to adversely affect the 
       
registrant's ability to record, process, summarize, and report financial information; and 
 
           (b)   
Any fraud, whether or not material, that involves management or other employees who have 
       
a significant role in the registrant's internal control over financial reporting. 
 
 
 
Date: April 24, 2006 
 
/s/ Joseph A. Carrier 
       
 
 
Joseph A. Carrier 
       
 
 
Principal Financial Officer 
 
 
 
NIF