163. Delegation.

163.     Delegation.

In general, the worker's obligation to perform the work is personal to the worker. The hirer is presumed to have engaged the worker on the strength of the worker's personal skill and reputation. The worker cannot, therefore, delegate the work to a third party and is prohibited from conferring possession on a third party for that purpose1. This general rule applies irrespective of whether the contract expressly obliges the worker to perform in person or not and irrespective of whether the hirer has proved that he relied on the worker's personal skill and reputation in