Mandatory Need for PA/RFA Number for R03 and R21 Applications
http://grants.nih.gov/grants/guide/notice-files/NOT-OD-05-010.html

Investigators will find information about the R03 and R21 programs at the following sites:

• R03: http://grants.nih.gov/grants/funding/r03.htm
  
  
• R21: http://grants.nih.gov/grants/funding/r21.htm
  
  
• All of the Program Announcements are published in the NIH Guide to Grants and Contracts:
  http://grants.nih.gov/grants/guide/index.html
  
  
• Each of the Institutes and Centers also list their current Program Announcements:
  http://www.nih.gov/icd/
  
  
• Investigators who wish to submit a R03 or R21 application and are having difficulty identifying an appropriate Program Announcement may also contact Institute/Center staff or:

  Division of Receipt and Referral
  Center for Scientific Review
  Room 2030 MSC 7720
  6701 Rockledge Drive
  Bethesda, MD 20892-7720
  (20817 for non United States Postal Service deliveries)
  (301) 435-0715
  (301) 480-1987 (fax)