Section 1015. Venue

(a) Proceedings under this article may be originated in
  the county in which the child resides or is domiciled at the time of the
  filing  of  the  petition  or  in  the county in which the person having
  custody of the child resides or is domiciled. For the purposes  of  this
  section,  residence  shall  include  a  dwelling  unit or facility which
  provides shelter to homeless persons or  families  on  an  emergency  or
  temporary basis.
    (b)  If  in  another  proceeding  under this act the court directs the
  filing of an abuse or neglect  petition,  the  venue  provision  of  the
  article  under  which the other proceeding is brought and the provisions
  of part seven of article one shall apply.