Del. Code Ann. tit. 11, § 9203
If a law-enforcement officer is:
then that officer shall be entitled to a hearing which shall be conducted in accordance with this chapter unless a contractual disciplinary grievance procedure executed by and between the agency and the bargaining unit of that officer is in effect, in which case the terms of that disciplinary grievance procedure shall take precedence and govern the conduct of the hearing.
65 Del. Laws, c. 12, § 1; 65 Del. Laws, c. 139, § 3; 70 Del. Laws, c. 186, § 1; 84 Del. Laws, c. 148, § 1