If you previously submitted a reference letter for a grant applicant, and you now want to replace that letter with an updated or corrected letter, you can do so as long as:
To submit an updated letter, which will replace the previous letter, follow the steps in Submitting Reference Letters, making sure you enter all the same information for the applicant (last name, Commons ID, opportunity number) that you entered the first time you submitted. Additionally, you must enter the confirmation number that you received after your first submission in the Reference Letter Confirmation # field.
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