A transfer of only a portion of a tenant's interest is a sublease.

The sale of the stock and the fine for the sublease will pay the debts of the corporation.

A transfer by a tenant of an interest in the leased premises may be an assignment, or it may be a sublease.

A sublease is a transfer of a part of a tenant's interest in the leased premises.

If A leases the farm to C for five years, the transaction is a sublease.

A transfer by the lessee of the whole or a part of his interest for a part of the time is a sublease and not an assignment.

Probably he refused written consent to the sublease for the same reason.