If Reuven is paying Levi an amount per hour to do a task and Reuven already began doing it but he needs to wait for a computer to process and it'll take an hour or two to complete. May Levi do work for Shimon and charge Shimon for the same hour(s) while he is waiting for task 1 to complete? In other words, may one get paid for the same time from two different clients as long as the end result isn't adversely affected?

  • It will depend on the terms of the agreement. Commented Aug 23, 2020 at 9:24
  • What if it wasn't discussed? Or there is no agreement? What if one can not or will not want to ask the client for special permission? (I suspect someone will bring that up). Basically, the question is meant to be what is halachikly allowed without anything else.
    – Geltman
    Commented Aug 23, 2020 at 9:41

1 Answer 1


So the Business Halacha Institute here addresses this idea albeit with a different scenario - namely an attorney that is traveling to a client meeting in which the time and expense of the trip are billed to the client. While traveling, the attorney receives a phone call from another client. An emergent matter is discussed, and he resultantly bills this client for his time as well.

The answer reads as follows (I have emboldened the main parts of the answer and italicised and placed in brackets a point that is perhaps only relevant to those who work in the field of Law):

Unsurprisingly, there are few halachic sources that directly address this issue. Such conflicts did not exist until recently; when work involved manual labor, it was not possible to plow two people’s fields at the same time. Nevertheless, there are two gemaras that help shed light on the matter.

The first is the sugyah in bava metzia that deals with a laborer that began performing a job, but was interrupted by an unavoidable Oness. In certain cases, the employer remains liable to pay the workers for the full day. However, the employers’ liability applies only when the employees cannot find replacement work. If there is other work available, the employee must accept the available job, and the original employer is released from his liability. If the worker fails to accept the available job, he will have no claim against the original employer.

What this seems to demonstrate is that an employee that is forced to sit around idly unable to perform his work is responsible to accept other employment, and if he does so, he may not double bill the original employer. Based on this, it would seem that not only may an attorney not charge both clients for his travel time, he should have a pro-active obligation to fill whatever time he can with other calls or work, so as to minimize the wasted time charged to the first client.

Arguably, this would be limited to instances where the attorney cannot service the second client at a later time. Such cases are similar to the laborer that loses nothing by accepting the second job, since if he declines to take the job, it will not be available for him the next day. In contrast, an attorney that has two clients to service, and was anticipating finishing with the first client’s task and then dealing with the second client’s needs at a later time, would not be obligated to ‘use up’ the second client in order to minimize the cost to the first client. Obligating him to do so would essentially be forcing him to give over the benefits of the practice that he built up for the benefit of the first client.

There is a second sugyah that must be examined. The gemara bava metzia 12b writes that if a servant finds an ownerless item, or avaida, while performing work for his master, it belongs to his master. The gemara qualifies that this applies only when picking up the avaida conflicts with his obligations to his job. However, if the servant is able to pick up the lost object while continuing to perform his job, he may keep the item. The implication is that any service performed while working for another that distracts the employee from his primary job is the property of the employer, while any task that does not contradict his performance is the sole property of the employee.

What emerges from the above are two critical distinctions. To the extent the task being performed for a second client does not conflict with his responsibilities to the first client, the attorney is entitled to reap the double gains. Thus, an attorney that makes a phone call to one client while traveling on behalf of a second client should be able to bill each for the time. Phone calls and traveling are not mutually exclusive, and the fact that one client is paying for him to travel at the same time that another is paying for the conversation does pose any halachic conflict. If however, a conflict exists, the first client has a claim for the benefits. Therefore, if the attorney makes a phone call for one client while reviewing a document for a second client, he would be unable to bill each for the full amount of time.

These parameters apply during the performance of the job for the first client. In the event an Oness prevents him from performing the first client’s task and he is billing simply because of the lost time, the attorney would only be able to demand compensation when he truly suffered a loss because he was idle. If however, other opportunities were present (that do not come at the expense of future billable hours), the attorney would have a pro-active obligation to service such clients and reduce the expense to the first client. Thus, an attorney that can productively use the time spent sitting around waiting for the judge to arrive may have a pro-active obligation to do so.

The above reflects the basic halachic parameters of double billing. However, as in many areas of choshen mishpat, we must examine the accepted business norms, or Minhag, before concluding what the halacha is. In this respect, the picture grows a bit murkier. From an informal survey, it appears double billing is fairly common. Typically, any common practice will create a minhag that overrides the default halacha and is binding upon all parties. However, this is problematic on two levels. The first issue is that common practice creates a binding minhag to the extent that it is well-known by all participants. Since the practice reflects standard market behavior, a party is implicitly accepting the terms by entering into an agreement without protest. Based on this logic, minhag can only play a role when both sides of the deal are aware of the common practice. Double billing however, is a practice that may be widely known by professional attorneys, but not necessarily by their clients. While some may suspect that it occurs, it is probably not well enough known by typical clients to establish a minhag.

(A second problem with applying minhag to allow such practices is that the American Bar Association, in formal opinion 93-37, specifically prohibits such billing tactics. The ABA argues that professional fees must be reasonable, and creating four billable hours out of two actual hours is inherently unreasonable. While the extent that the formal opinion is legally binding on an attorney is debatable, there is likely an assumption by most clients that his attorney complies with the ABA’s rules. Such assumptions, which the attorney is well aware of, may create an implicit condition to the attorney-client relationship that would therefore be binding on the parties, and would override the default halacha. Therefore, it is likely that the ABA’s rules that prohibit such practices in virtually all circumstances would govern as a matter of halacha as well.

It should be noted that neither the ABA’s formal opinion nor common minhag, place any responsibility on the attorney to proactively try to service other clients during breaks so as to minimize the expense to the first client.)

As should be clear to the reader, a number of the assumptions in this article are debatable, and will not hold true in all circumstances. A cynic may argue that the legal profession is held in such low esteem today that clients’ working assumption is that the ABA ethics rules are not followed in practice. Furthermore, the degree that clients are aware and accept certain billing practices varies among different client groups, which can impact the actual halacha. These factors make it difficult to render a clear definitive Psak; nevertheless, the discussion demonstrates the nexus between choshen mishpat, minhag, and laws of professional conduct in a distinctly modern dilemma.


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