One nameplate sign or customary sign for permitted uses, not more than two square feet in area, which may be either a nonilluminated or illuminated nonflashing sign, provided that the direct source of light is shielded in such a manner that it is not visible from the street or any adjoining residential property.

A nonilluminating temporary sign pertaining to the lease or sale of the premises upon which it is placed, not exceeding 12 square feet in total area, provided that it shall be removed within seven days after signing the contract of sale or the signing of a sale transaction or the execution of a lease. Signs as permitted by this section that are smaller than four square feet need not obtain a permit.

A sign deemed necessary to the public welfare by the Borough Council.

A sign not more than eight square feet in area setting forth the name of a school or place of worship on the same premises, and its coming activities.

None of the signs permitted in the Residential Districts shall be erected nearer any street or road than half the setback required for the principal building to be erected on the plot, provided that nameplate sign not more than 72 square inches in area as regulated above may be placed anywhere within the front yard.

Notwithstanding any other provisions of this chapter, one sign no larger than eight square feet is permitted as accessory to each garden apartment development within the R-4 Zone.