New Equipment and Tevilah

A vessel that passes from non-Jewish to Jewish ownership requires immersion. In a kitchen that is a pot. In a plant it is a tank, and the question becomes considerably more interesting, because the answer depends on the ownership structure of the company that made it.

Whether a particular piece of fixed plant is in scope at all is a question for your rav — the sources here are about the ownership rules rather than about tanks specifically. But the ownership rules are exactly what a corporate buyer runs into, and they are not intuitive.

It follows the owner, not the workforce

Start with the base case, because it disposes of the most common wrong assumption.

Vessels made in a Jewish-owned factory are exempt, even where the workers are not Jewish. Some do obligate immersion in that case, and the practical distinction offered is a useful one: where the workers are employees, exempt; where they are contractors, there is a doubt, and it is immersed without a bracha.

Running the other way, a vessel made by a Jew but bought from a non-Jew's shop does require immersion, without a bracha — because it sat in non-Jewish possession on the way. And that catches the distribution chain: where the maker and the retailer are both Jewish but the distributor between them is not, immersion is required.

So the question is never simply "who built it". It is who owned it at each step between the factory floor and you.

Shares are not ownership of the product

Now the corporate layer, and here the principle is clean and genuinely useful.

For a factory with shares held by both Jews and non-Jews, we follow the proprietor. A non-Jewish proprietor means immersion; a Jewish proprietor means exemption — and this holds regardless of who else holds shares, Jews included.

The reason is worth remembering because it settles a lot of questions at once: a share is not ownership of what the company produces. It is ownership of the profits. A shareholder does not own the output, so his identity does not determine the output's status.

That is a rule you can actually apply to a supplier list.

Where it gets genuinely uncertain: the limited company

This is the most interesting question in the area, and it has not been settled.

Most manufacturers abroad are registered as limited companies. And the argument raised is that a limited company is not the kind of thing the rule was built for: by definition it belongs to no individual, only to the body of shareholders, and that is a legal construct with no obvious counterpart in the sources.

From which the suggestion follows: perhaps the status that triggers immersion never attached to it in the first place. If so there would be no obligation at all today for goods from a limited company, even one wholly in non-Jewish hands.

The comparison offered to test it is sharp. Ownerless property does require immersion on several views — but that is because a non-Jew owned it first and then renounced it, so the status had already attached. A limited company's assets were never anyone's private property. So the analogy does not obviously carry, and the matter is left requiring clarification.

In practice, though, the custom recorded is to immerse with a bracha where it is known that most of the shares are in non-Jewish hands — on the basis that the name of a non-Jew is upon it.

State-owned manufacturers

Vessels from a plant owned by a non-Jewish state require immersion. The reasoning parallels the limited-company question and reaches the opposite conclusion: a government is a kind of public body belonging to no individual, but its members are non-Jews, the name of a non-Jew is upon it, and they are the ones who rule it. So it is treated like a non-Jew's property.

Joint ventures, and a case that cuts the other way

One rule here is worth knowing because it is counter-intuitive and may help you.

A vessel bought in partnership by a Jew and a non-Jew — a joint business, for instance — does not require immersion. The reason is not leniency: it is that immersion would not accomplish anything, because the non-Jew remains a partner in it.

But note what happens next. If the Jewish partner later buys out the non-Jewish share, so the vessel is now wholly his, immersion is then required. A change in your cap table can create an obligation over equipment you have owned and used for years.

That is a real diligence item on an acquisition, and not one anybody's checklist usually carries.

Repairs and refurbishment

Sending equipment out for rebuild can restart the clock:

• Rebuilt with new material by a non-Jew, after the item had gone out of use — immerse with a bracha, as a new vessel.
• Broken and glued — immerse without a bracha.
• Tin-plated by a non-Jew — no immersion needed, because the plating is not what holds the vessel together and is subsidiary to it.

The distinction running through those three is whether the non-Jew made something, or merely treated something that already existed.

What to establish when you buy

Four questions, none of which is hard to answer if asked at the right time:

1. Who owns the manufacturer — the proprietor, not the shareholder register.
2. Whether the ownership is a limited company, and whether most shares are in non-Jewish hands.
3. Who owned it between the factory and you — distributors count.
4. Whether it is refurbished, and if so what was done to it.

And the practical warning that transfers directly from the domestic case: think about it before you buy, not after. An item that requires immersion and physically cannot be immersed is a problem created at the purchase order. It is much easier to ask the question while you still have a choice of supplier.

For the underlying rules, see tevilas keilim. Whether your equipment is in scope, and what it needs, is a question for your certifying rav.