A charge of discrimination in employment shall be filed within 180 days from the date upon which the alleged discriminatory practice or act occurred. If the alleged discriminatory practice or act is of a continuing nature, the date of the occurrence of the alleged discriminatory practice or act shall be deemed to be any date subsequent to the commencement of the alleged discriminatory practice or act up to and including the date upon which the lawful practice has ceased.
Ariz. Admin. Code § R10-3-204