"x x x.
STIPULATION ON VENUE:
The exclusive venue of Makati City, as stipulated by the parties and sanctioned by Section 4, Rule 4 of the Rules of Court, cannot be made to apply to the Petition for Extrajudicial Foreclosure filed by respondent bank because the provisions of Rule 4 pertain to venue of actions, which an extrajudicial foreclosure is not.
x x x."
