l_blue_book_section: 0, 100, 554, 500
| bb_section | bb_heading | bb_chapter | bb_division | description |
|---|---|---|---|---|
| 0 | 100 | 554 UNION OBLIGATION TO BARGAIN 554 | 500 UNFAIR LABOR PRACTICES 500 | GENERALLY |
| bb_section | bb_heading | bb_chapter | bb_division | description |
|---|---|---|---|---|
| 0 | 100 | 554 UNION OBLIGATION TO BARGAIN 554 | 500 UNFAIR LABOR PRACTICES 500 | GENERALLY |