I guess you have to let them.

https://www.mass.gov/doc/105-cmr-460-lead-poisoning-prevention-and-control/download

page 28, 460.720 (B) (1)

(1) Should the prospective purchaser or lessee-prospective purchaser choose to have an inspection performed, the seller or lessor-prospective seller shall afford the prospective purchaser or lessee-prospective purchaser a period of ten days or such longer time as the seller and the prospective purchaser or lessor-prospective seller and lessee-prospective purchaser may agree to have such inspection performed, either through a lead inspection contingency clause

所有跟帖： 

• 谢谢柠檬。买家查出后的结果，是不是卖家也意味着有knowledge 了？我觉得应该是吧……这时候 -MrsKwok- ♀ (51 bytes) () 06/30/2022 postreply 19:25:57

• Yep, you have to give the report to next buyer. -柠檬椰子汁- ♂ (0 bytes) () 06/30/2022 postreply 19:33:50

• 那我再想想别的办法干掉吧…… -MrsKwok- ♀ (0 bytes) () 06/30/2022 postreply 19:54:58