So you have mailed in your Form W-7 ITIN application and have been waiting and waiting. The IRS website still states 7 to 11 weeks for international ITIN application submissions, however, this is not the case. Current wait times are 3 to 4 months plus 4 to 6 weeks for the ITIN notice (CP565) to be received by the applicant. Why are there delays? Delays at the ITIN processing unit (and the IRS in general), have been ongoing since March 2020 (as a result of Covid-19). The delay