The Sheriff shall disapprove any employment that demeans the status or dignity of the law-enforcement profession, or otherwise represents a conflict of interest. Examples of such employment include:

a. Retailers which sell pornographic materials or provide services of a sexual nature.

b. Retailers or individuals who are known convicted felons or those who regularly associate with convicted felons.

c. Gambling establishments not exempted by law.

d. Performance in Sheriff's Office uniform of any tasks other than those of law enforcement.

e. Performance of any work for a business or labor group that is on strike.