Whenever it shall be determined that a duly nominated candidate will be unable to serve if elected because of death, physical, mental or other incapacity, the vacancy shall be filled as provided in § 3303 of this title. If the vacancy occurs subsequent to the dates specified in § 3303 of this title, it shall be filled in accordance with § 3306 of this title.

20 Del. Laws, c. 393, § ?37; 27 Del. Laws, c. 66, § ?1; Code 1915, § ?1711; Code 1935, § ?1799; 15 Del. C. 1953, § ?3176; 60 Del. Laws, c. 414, § ?9;