A. IMMIGRANTS NOT SUBJECT TO NUMERICAL LIMITATION
a)

"IR" Immediate Relatives of US Citizens : include spouses of US citizens; unmarried people under the age of 21 years; who have at least one US citizen as a parent ; parents of US citizens if the US children are over the age of 21 years; step children and step parents if the marriage creating the step children/step parent relationship took place before the child's 18th birthday and parents and children related through adoption that took place before the children reached the age of 16 years.

b)

"SB-1" Returning Residents : Immigrants who lived in the US previously as lawful permanent residents and are returning to live in the US after a temporary visit of more than 1 year abroad.