| Clue | Source | Date |
|---|---|---|
| Meeting building regulations | Premier Sunday | 06 Mar 2022 |
| Satisfying safety standards | The Washington Post Sunday | 15 Mar 2020 |
| In line with safety regulations | LA Times Daily | 17 Jun 2017 |
| In line with safety regulations | The Washington Post | 17 Jun 2017 |
| In line with safety regulations | ||
| Conforming to local safety rules |