| Aspect | Contract H1B Transfer | Contract H1B Extension |
|---|
| Purpose | Moving H1B sponsorship from one employer to another | Extending the duration of an existing H1B visa |
| Timing | Typically initiated when changing employers | Filed before current visa expires to prolong stay |
| Work Environment | Same or different employer, same industry | Same employer, same industry |
| Required Documentation | Job offer letter, employer support documents | Current H1B approval, employer support documents |
In summary, a Contract H1B Transfer involves changing employers while maintaining H1B status, whereas a Contract H1B Extension extends the duration of your current visa with the same employer. Both processes require specific documentation and are essential for maintaining legal work authorization in the U.S.