Identifies whether the LANGUAGE CLASSIFICATION CODE identified is preferred for follow-up or whether another language is preferred.
National Codes:
| 01 | preferred for follow-up | 
| 02 | 'other' preferred for follow-up | 
References:
National Joint Registry Dataset: v.1: 24th March 2003
This attribute is also known by these names:
| Context | Alias | 
|---|---|
| plural | LANGUAGE USAGES | 

