(a) A grantee may not permit a person to participate in an administrative decision regarding a project if:

(1) The decision is likely to benefit that person or a member of his or her immediate family; and

(2) The person:

(i) Is a public official; or

(ii) Has a family or business relationship with the grantee.

(b) A grantee may not permit any person participating in the project to use his or her position for a purpose that is—or gives the appearance of being—motivated by a desire for a private financial gain for that person or for others.