No unlicensed person, except those persons issued a temporary permit by the Board, shall practice advanced practice, professional or practical nursing. Upon request, any person engaged in the practice of advanced practice, professional or practical nursing shall exhibit a license authorizing such practice.

24 Del. C. 1953, § ?1909; 54 Del. Laws, c. 153; 64 Del. Laws, c. 26, § ?1; 69 Del. Laws, c. 319, § ?10;