Del. Code Ann. tit. 22, § 906
Taxes due under tax adopted prior to March 30, 1971
22 Del. C. 1953, § 906; 58 Del. Laws, c. 14.;
Taxes due under any municipal user tax adopted prior to March 30, 1971, shall continue to be collected and enforced and shall not be abated.
22 Del. C. 1953, § 906; 58 Del. Laws, c. 14.