Residency classification determines if students pay Maryland resident or non-resident tuition rates. Tips on Submitting the Residency Application.The residency petition deadline is the first day of classes in the semester for which in-state status is sought. A determination of in-state status for purposes of admission, tuition and fees is made upon admission and remains in effect until successfully challenged. Find answers to your questions about residency status for tuition purposes. Find out about qualifying for residency in the State of Maryland as you apply. Applicants must submit an application for Maryland residency if they wish to be considered for instate tuition.