No law shall extend the term of any public officer or diminish the salary or emoluments after election or appointment. The term "salary or emoluments" as used in this Section refers to the actual salary or emoluments being provided an officer at any time during tenure in office and shall not be construed to mean increases in salary or emoluments scheduled by statute for a future date and not yet received by the officer.

61 Del. Laws, c. 530 and 62 Del. Laws, c. 82; 71 Del. Laws, c. 379 and 72 Del. Laws, c. 136; 84 Del. Laws, c. 281 and 85 Del. Laws, c. 5;