The (often incorrect) distribution code is also what seems to toggle IRS to send out the CP-2000 notice.

FORBES: IRS Notices & Letters: It's Stop the Machine Time Again

This follows on the heels of Pfizer out-licensing another oncology drug, CP-870-893, an anti-CD40 monoclonal antibody, to VLST Corporation.

FORBES: Why Is Pharma Out-Licensing Its Compounds?