5. Planning to rebury the deceased elsewhere:[1]

If the deceased was unearthed after being buried and was reburied in a new location, then if at the time of the original burial the intent was that he remains buried there forever, the Shiva does not restart after the new burial. This applies even if the unearthing and reburial occurred within the Shiva. If, however, at the original time of burial one already planned to unearth and rebury the deceased elsewhere upon the opportunity arising, then the Shiva is begun after the first burial, and if they unearth and rebury him again within the Shiva, then they restart the count of Shiva. If, however, he was unearthed and reburied only after Shiva, then they do not sit Shiva a second time. If at the time of the original burial one had intent to rebury the deceased elsewhere within the Shiva, then one does not begin Shiva until after the second burial.

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[1] Michaber 375:3