S???i?n tho?i: ph?i ?i?n s???i?n tho?i chính ch??và ph?i là s??b?n ?ang dùng.(b) For the duration of any month, any time a certified structural pest control operator performs no pest control work inside a county by which he/she is registered Using the commissioner pursuant to segment 15204 or 15204.5 from the Food stuff and Agricultural Code, h