https://luatmeta.com/laws/dieu-hanh-861-ctn-cong-van-ve-viec-huong-dan-thu-nop-phi-giao-thong-duong-bo-va-duong-song-lzn6aoqrgsr1987-12-04https://luatmeta.com/en/laws/dieu-hanh-861-ctn-cong-van-ve-viec-huong-dan-thu-nop-phi-giao-thong-duong-bo-va-duong-song-lzn6aoqrgsr1987-12-04