Where to file an existing counterclaim or cross-claim
A compulsory counterclaim or a cross-claim that a defending party has at the time he files his answer shall be contained therein
Where to file an after acquired counterclaim or cross-claim
A counterclaim or a cross-claim which either matured or was acquired by a party after serving his pleading may with leave of the court, be presented as a counterclaim or cross-claim by supplementalpleadingBEFOREJUDGMENT
How to set up an omitted counterclaim or cross-claim
When a pleader fails to set up a counterclaim or a cross-claim through oversight inadvertence, or excusable neglect, or when justice requires, he may, by leave of court, SET UP THE COUNTERCLAIM OR A CROSS CLAIM BY AMENDMENTBEFOREJUDGMENT
Extending time to plead
1. Uponmotion and on such terms as may be just, the court may extend the time to plead provided in the rules
