(i) attended an approved New York high school for two or more years, graduated from an approved New York high school and applied for attendance at an institution or educational unit of the state university within five years of receiving a New York state high school diploma; or

(ii) attended an approved New York state program for general equivalency diploma exam preparation, received a general equivalency diploma issued within New York state and applied for attendance at an institution or educational unit of the state university within five years of receiving a general equivalency diploma issued within New York state; or

(iii) was enrolled in an institution or educational unit of the state university in the fall semester or quarter of the two thousand one--two thousand two academic year and was authorized by such institution or educational unit to pay tuition at the rate or charge imposed for students who are residents of the state. Provided, further, that a student without lawful immigration status shall also be required to file an affidavit with such institution or educational unit stating that the student has filed an application to legalize his or her immigration status, or will file such an application as soon as he or she is eligible to do so. In the event that a person qualified as above for state residence, but has been a resident of two or more counties in the state during the six months immediately preceding his application for a certificate of residence pursuant to section sixty-three hundred five of this chapter, the charges to the counties of residence shall be allocated among the several counties proportional to the number of months, or major fraction thereof, of residence in each county. 6. "Certificate of residence form". A standard form as developed by the chancellor of the state university of New York, in conjunction with the chancellor of the city university of New York.