Title 19, Chapter 11, Section 47
A proceeding to compel support under this article may be maintained
where both the obligee and the obligor are residents of or are
domiciled or found in different counties of this state. Whenever a
proceeding under this article is so used, what has been written in
other parts of this article as "initiating state" shall be read as
if written "initiating county" and what has been written as
"responding state" shall be read as if written "responding county."