In turn , the institution must file the NLI with its conference office within 21 days of the date of final signature .
SIGNING THE NLI : The prospective student - athlete must sign the NLI within 14 days of issuance , otherwise , the NLI is invalid .
The institution must file the NLI with its conference office within 21 days of the date of final signature .
SIGNING THE NLI : The prospective student - athlete must sign the NLI within 14 days of issuance , otherwise , the NLI is invalid .