Macau Law 6 of 1999 on Gazette
Government of Macau
1990-12-20
<a rel="nofollow" class="external free" href="https://images.io.gov.mo/bo/i/1999/01/lei-6-1999.pdf">https://images.io.gov.mo/bo/i/1999/01/lei-6-1999.pdf</a>