The initial capital is especially justified if each chapter is headed Chapter 1, Chapter 2, etc. But in the thread title you also mention sections and subsections. Unless those words are actually used in headings/subheadings — rather than just figures: 1, 2, etc. (denoting sections), 1.1, 1.2, etc.

Is subsection capitalized in legal writing?

When referring to a specific section of the U.S.C. in a textual sentence, “Section” should be capitalized. YES: As part of the Civil Rights Act of 1871, Congress enacted Section 1983 which provides a private civil action for deprivation of rights.

Should you Capitalise subheadings?

Unlike main headings, subheadings are not printed in all capital letters. Either a headline style (the first letter of major words capitalized) or sentence style (the first letter of the first word capitalized) capitalization scheme is used for subheadings.