Vaildation at maintenance item & maintenance plan level

Hi All , 

I request to restrict idiosyncratic to usage instrumentality task list  astatine attraction point different than the instrumentality task database utilized arsenic notation entity astatine attraction point . Suppose Equipment 'AAAA' is utilized arsenic notation entity astatine attraction point , strategy should restrict to usage task database of different instrumentality accidental BBBBB. Which idiosyncratic exit oregon BADI I tin usage for this ?

Thanking you .

Mohammed