14 CFR §137.43

1. (a)Except for flights to and from a dispensing area, no person may operate an aircraft within the lateral boundaries of the surface area of Class D airspace designated for an airport unless authorization for that operation has been obtained from the ATC facility having jurisdiction over that area.
2. (b)No person may operate an aircraft in weather conditions below VFR minimums within the lateral boundaries of a Class E airspace area that extends upward from the surface unless authorization for that operation has been obtained from the ATC facility having jurisdiction over that area.
3. (c)Notwithstanding § 91.157(b)(4) of this chapter, an aircraft may be operated under the special VFR weather minimums without meeting the requirements prescribed therein.