(d) refrain from giving any directions to or permitting their employees to campaign within restricted polling areas or tointerrogate prospective voters as to their qualifications to vote prior to their entry to a polling place;
(e) refrain from undertaking any ballot security activities in polling places or election districts where the racial or ethnic composition of such districts is a factor in the decision to conduct, or the actual conduct of, such activities there and where a purpose or significant effect of such activities is to deter qualified voters from voting; and the conduct of such activities disproportionately in or directed toward districts that have a substantial proportion of racial or ethnic populations shall be considered relevant evidence of the existence of such a factor and purpose;
(f) refrain from having private personnel deputized as law enforcement personnel in connection with ballot security activities.