שולחן ערוך יורה דעה · סימן י״א

English

Seif 1 One can slaughter at anytime, whether in the day or at night; what do we mean by this? It could be done anytime with a torch, however when there isn't a torch at all or in a dark place, we don't slaughter; and if one slaughters what was slaughtered is permissible.

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Seif 2 A slaughter perform on Shabbat or Yom Kippur, even if it was done intentionally, on Shabbat one forfeits his life (if he slaughters), and on Yom Kippur he receives lashes. However what he slaughter will be permissible.

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Seif 3 We don’t slaughter into the ocean or rivers, lest people say, that one slaughtered for the deity of the sea, we also don’t slaughter into vessels lest people say that one slaughtered to collect blood to throw it at idols; and if there is a vessel of water, so that the blood (that gets mixed) is not fit for throwing, if the vessels are clear we don’t slaughter into it, lest people say that one is offering a sacrifice to an image reflected by the water; and if (the water) is murky it's permitted; and if there are ashes (or dirt) in the vessel, it is permitted to slaughter in it.

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Seif 4 If it happens to be that there is no free space to slaughter in on a boat, you may slaughter on the back of a vessel, and the blood of the slaughter will then trickle down to the water; Or stretch your arm outside of the boat, and slaughter off the side (of the boat), then the blood will flow into the water, without worry.