I dont know what the new updates now, but its true that not all are legible to get iTINs. I got mine way back yr2000 when i first visited the US. I was not a nurse back then. When i came back 2008 and took the NCLEX exam which i did pass. I used my iTIN as my number to get the License. It was suggested to me by my lawyer, and i did confirm with the Ca BON. After my petition came out, i was entitled to get my SSn which i submitted in replacement of my iTIN number. There are alot of changes in the past 2 years, more and more nursing students here in the US might have been one of the cause that BONs are becoming more strict. But keep your heads up.