Medical malpractice actions. Changes from 10 business days to 21 days the number of days after receipt of written request of a defendant in which the plaintiff must provide the defendant with a certification form that affirms that the plaintiff had obtained the necessary certifying expert opinion at the time service was requested or affirms that the plaintiff did not need to obtain a certifying expert witness opinion. The bill further provides that this certification form is not necessary if the complaint, counter claim, or third party claim contains the foregoing affirmation.