Information adapted from adMISSION POSSIBLE®.
Yes. This has nothing to do with whether you apply early or regular admissions. You want to make sure all of your materials arrive before the deadline whether you apply early, regular, or rolling admissions.
Do not wait until the last minute to file your application or to send any additional materials.
Marjorie Hansen Shaevitz recommends getting confirmation that your application materials have been received. You may want to call or email the admissions office—you will be able to check on your application status and show your interest in securing an acceptance from that college.