The postnominals for each rank, the order of promotions and titles are as shown in the table below.
| Rank | Postnominal | Title |
| Knight of Honour | KSJ | Chevalier |
| Knight of Grace | KGSJ | Chevalier |
| Knight Commander of Grace | CGSJ | Chevalier |
| Knight of Justice | KJSJ | Chevalier |
| Knight Commander of Justice | CJSJ | Chevalier |
| Knight Grand Cross of Justice | GCSJ | Chevalier |
| Bailiff | OSJ | His Excellency Bailiff |
| Dame of Honour | DSJ | Dame |
| Dame of Grace | DGSJ | Dame |
| Dame Commander of Grace | CGSJ | Dame |
| Dame of Justice | DJSJ | Dame |
| Dame Commander of Justice | CJSJ | Dame |
| Dame Grand Cross of Justice | GCSJ | Dame |
| Grand Dame/Bailiff | OSJ | Her Excellency Grand Dame |