Aside from the above e-mail, you can also express your opinion in person or by the following means:
| Method | Telephone / Address | Time |
| Telephone | 8396 8305 | Monday - Thursday
9:00 - 13:00 / 14:30 - 17:45
Friday
9:00 - 13:00 / 14:30 - 17:30 |
| Letter | Macao Postal Savings
Rua da Sé
(at the lateral side of the Headquarters of CTT) | |
| E-mail | cep@ctt.gov.mo | 24 Hours |