Restrictions associated with an order. If more than one restriction is applicable to an order, this field can contain multiple instructions separated by space.
Valid values:
| '1' | Program Trade |
| '2' | Index Arbitrage |
| '3' | Non-Index Arbitrage |
| '4' | Competing Market Maker |
| '5' | Acting as Market Maker or Specialist in the security |
| '6' | Acting as Market Maker or Specialist in the underlying security of a derivative security |
| '7' | Foreign Entity (of foreign governmnet or regulatory jurisdiction) |
| '8' | External Market Participant |
| '9' | External Inter-connected Market Linkage |
| 'A' | Riskless Arbitrage |
Used in: