| # | Letters of Interpretation |
|---|---|
| 1 | - 1926.1404 - Regarding Assembly/Disassembly and set-up used in Cranes and Derricks in Construction Standard |
| 2 | - 1926.1404 - Whether qualified rigger required when lifting a load below 2000 lbs or less |
| 3 | - 1926.1404 - Certification and qualification requirements for mechanics, inspectors, and testers under the Cranes and Derricks in Construction standards. |