What are the consequences of using fake customs clearance forms in Macao?

The use of fake customs clearance forms in Macao has serious consequences. Whoever forges or alters passports, visas and other entry and exit documents in Macao, or sells passports, visas and other entry and exit documents, shall be sentenced to fixed-term imprisonment of not more than five years and fined. If the circumstances are serious, he shall be sentenced to fixed-term imprisonment of not less than five years and fined.