Certificates Awarded by RID
(Registry of Interpreters for the Deaf)
| NIC | National Interpreter Certification |
| CI | Certificate of Interpretation |
| CT | Certificate of Transliteration |
| CSC | Comprehensive Skills Certificate |
| RSC | Reverse Skills Certificate |
| CDI | Certified Deaf Interpreter |
| IC | Interpretation Certificate |
| TC | Transliteration Certificate |
| COI | Certificate of Interpretation (awarded by AVLIC) |
| OTC | Oral Transliterating Certficate |
| OIC | Oral Interpreting Certificate |
| SC:L | Specialist Certificate: Legal |
Certificates awarded by ACCI/NAD (American Consortium of Certified Interpreters)
[formerly awarded through the National Association of the Deaf]
| ACCI/NADV | level 5 |
| ACCI/NADIV | level 4 |
| ACCI/NADIII | level 3 |
State Screening
| NHICS | NH Interpreter Classification System |
| MCDHH | Massachusetts Commission for the Deaf and Hard of Hearing state screening |
| SDI | State Screened Deaf Interpreter (awarded by MCDHH) |