Domestic ports having one of the following conditions, quarantine by quarantine authority is necessary:
1.Inbound ships, with the carried personnel and cargos, reported to have persons infected with communicable diseases or suspected communicable diseases,
2. Considered necessary to quarantine conveyances, goods or personnel;
3. Other quarantine matters announced by the central competent authority.

Quarantine matters that shall be conducted by the domestic port quarantine authorities are follows:
1. To supervise persons-in-charge of conveyances carrying patients of communicable diseases or their remains to conduct sanitary control measures such as disinfection, de-contamination, or vector control;
2. To conduct vector surveys and sanitary control measures in the port area;
3. To sample-check sanitary conditions and relevant documents and data of inbound conveyances from other country (boundaries), and if need be, conduct vector surveys and sanitary control measures;
4. Other quarantine matters announced by the central competent authority.
When conducting these matters in the preceding Paragraph, relevant institutes (institutions), public and private enterprises institutions shall collaborate, and shall not obstruct, evade or refuse.

Persons-in-charge of ships and various institutes (institutions), public and private enterprises institutions of domestic ports, when detect deaths, animal deaths of unknown reasons, or patients of communicable diseases on inbound ships from other country (boundaries) to domestic ports, shall report to the quarantine authority immediately.
Matters that shall be reported by persons-in-charge of the preceding Paragraph, regulations of Paragraph 1 of Article 15 apply.