the acquisition is in the course of a business that consists of or includes acquiring dwellings from individuals in connection with a change of residence resulting from a relocation of employment, and
bod y caffael yn cael ei wneud yng nghwrs busnes sy’n cynnwys caffael anheddau gan unigolion mewn cysylltiad â newid preswylfa o ganlyniad i adleoli cyflogaeth, a