Synopsis As Introduced Creates the Illinois Religious Freedom Protection and Civil Union Act. Defines "civil union" as a legal relationship between 2 persons, of either the same or opposite sex, established in accordance with the Act. Provides that a party to a civil union shall be entitled to the same legal obligations, responsibilities, protections, and benefits afforded or recognized by the law of Illinois to spouses. Prohibits certain civil unions. Provides that the Director of Public Health shall prescribe forms for an application, license, and certificate for a civil union. Contains provisions regarding: application for a civil union license; certification of a civil union; and duties of the county clerk and Department of Public Health. Provides for dissolution and declaration of invalidity of a civil union. Provides that a marriage between persons of the same sex, a civil union, or a substantially similar legal relationship other than common law marriage, legally entered into in another jurisdiction, shall be recognized in Illinois as a civil union. Contains provisions regarding construction, application, religious freedom, severability, and other matters.