https://luatmeta.com/laws/cong-van-861-tc-ctn-cong-van-ve-viec-huong-dan-thu-nop-phi-giao-thong-duong-bo-va-duong-so-latpb2ery5c1987-12-03https://luatmeta.com/en/laws/cong-van-861-tc-ctn-cong-van-ve-viec-huong-dan-thu-nop-phi-giao-thong-duong-bo-va-duong-so-latpb2ery5c1987-12-03