Beginning of Sentence, Title, Subtitle
18.3.4 Beginning of Sentence, Title, Subtitle
A unit of measure that follows a number at the beginning of a sentence, title, or subtitle should not be abbreviated, even though the same unit of measure is abbreviated if it appears elsewhere in the same sentence. (See 19.2.1, Numbers and Percentages, Spelling Out Numbers, Beginning a Sentence, Title, Subtitle, or Heading; and 19.2.2, Numbers and Percentages, Spelling Out Numbers, Common Fractions.)