l_blue_book_heading: 128, 506, 500
| bb_heading | bb_chapter | bb_division | description |
|---|---|---|---|
| 128 | 506 EMPLOYEE RIGHTS PROTECTED BY SECTION 7 506 | 500 UNFAIR LABOR PRACTICES 500 | RIGHT TO FORM, JOIN, OR ASSIST LABOR ORGANIZATIONS |
| bb_heading | bb_chapter | bb_division | description |
|---|---|---|---|
| 128 | 506 EMPLOYEE RIGHTS PROTECTED BY SECTION 7 506 | 500 UNFAIR LABOR PRACTICES 500 | RIGHT TO FORM, JOIN, OR ASSIST LABOR ORGANIZATIONS |