To request an alumni interview, just log into the online application, click "Request an alumni interview," check the box, and then click "Save & Continue." Your interview request will be processed over the next few days. There is no need to submit your application before requesting an interview, or having your interview. The deadline to request an interview is March 1, whether you are applying early or regular.
On-campus interviews are available to transfer applicants starting this month, and going until mid-March for early candidates and mid-April for regular candidates.