Section 4290.40 - How to read this part 4290(a)Center Headings. Center headings are descriptive and are used for convenience only. They have no regulatory effect.(b)Capitalizing defined terms. Terms defined in § 4290.50 have initial capitalization in this part 4290.(c)"You." The pronoun "you" as used in this part 4290 means a RBIC unless otherwise noted.(d)Forms. All references in this part to forms, and instructions for their preparation, are to the current issue of such forms.