https://legalzone.vn/van-ban-phap-luat/quyet-dinh-1009-qd-ubnd-cua-uy-ban-nhan-dan-tinh-lao-cai-ve-viec-cong-bo-danh-muc-09-thu-tuc-hanh-chinh-moi-ban-hanh-thu-tuc-hanh-chinh-sua-doi-bo-sung-linh-vuc-hoa-chat-thuoc-pham-vi-chuc-nang-quan/