Can a doctor issue a longer-valid prescription?

WHETHER A PRESCRIPTION WILL BE ISSUED BY THE DOCTOR THE DRUG MAY BE LONGER VALID PRESCRIPTION UNLESS 30 DAYS THE DATE OF ISSUE IT BY THE DOCTOR OR NURSE AUTHORIZED TO ISSUE A PRESCRIPTION AND E PRESCRIPTIONS FOR EXAMPLE IS LAVISH ON DECEMBER 1 WITHOUT FACING CHRISTMAS NARNIA MAY BE SUCH A CASE LATER RELEASED PRESCRIPTION DRUG IS VALID 30 DAYS IS VALID MONTH YOU CAN SO YOU KNOW YOU WALK MEAT HAS 28 DAYS FEBRUARY HAS JUNE HAS 31 OTHER MONTHS CUSTOM 30 DAYS OR IS A STEP THROUGH THE YEAR IT DEPENDS ON THE MEAT HAS A QUESTION NOT COUNTING THE HOLIDAYS CAN BE ISSUED THE DRUG LATER IN THE CASE AS IT WAS ISSUED A PRESCRIPTION ON DECEMBER 1.