When it appears that an oath or affirmation has been administered by competent authority, it shall be presumed to have been properly administered, unless the contrary appear.
Del. Code tit. 10, § 3921
Presumption of proper administration of oath
Code 1852, § 2509; Code 1915, § 4428; Code 1935, § 4886; 10 Del
Official source: Delaware Code Online. Reproduced from public-domain Delaware statutes; confirm against the official source for the current text. Not legal advice.