Code of Professional Responsibility and Accountability (CPRA)
Section 7. Extension of time to file. - A lawyer shall avoid asking for an extension of time to file any pleading, motion, or other court submission, except when allowed by the Rules of Court or for good cause. When an extension is obtained, the lawyer shall not let the period lapse without submitting the pleading, motion, or other court submission, except upon the client's decision not to pursue the case any further or for other justifiable cause.