Herein, Hereof, Hereinafter: A Plain-English Guide to Legal Document Cross-Reference Terms

The words herein, hereof, and hereinafter are fixtures of legal drafting—cross-reference terms that point to the document itself rather than to an external source. They’re used so frequently in contracts that most people skim past them. But understanding exactly what each term refers to helps you read contracts accurately and write them with precision.

Herein: Definition and Usage

Herein means “in this document” or “in this agreement.” When a contract says “the obligations set forth herein” or “the representations contained herein,” it is pointing to the contract document itself as the source.

Examples:

• “The term ‘Confidential Information’ as defined herein shall include…” — referring to the definition within the agreement
• “Each party’s obligations herein survive termination of this Agreement.” — pointing to obligations set out in the document

Herein refers to the entire document unless qualified. “Herein above” means earlier in this document; “herein below” means later in this document.

Hereof: Definition and Usage

Hereof means “of this document” or “of this agreement”—it connects a concept or reference to the document as a whole or to a specific provision within it. It is often used in cross-reference clauses and signature block language.

Examples:

• “The terms and conditions hereof are incorporated by reference.” — “hereof” = of this agreement
• “IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the date first written hereof.” — “hereof” = of this agreement
• “Section 3.2 hereof” — refers to Section 3.2 of the current document

Hereinafter: Definition and Usage

Hereinafter means “later in this document” or “as defined later in this agreement.” It is most commonly used when a defined term is introduced and then used throughout the rest of the document.

Classic usage:

“Fitter Law LLC, an Illinois limited liability company (hereinafter ‘Company’)…”

This construction introduces a shorthand term (“Company”) that will be used throughout the rest of the agreement. “Hereinafter” signals that the definition applies to all subsequent uses of the term.

The Full “Here-” Family

Term	Meaning	Example Usage
Herein	In this document	“obligations herein”
Hereof	Of this document / of this provision	“terms hereof,” “Section 4 hereof”
Hereinafter	Later in this document / as defined below	“(hereinafter ‘Client’)”
Hereinabove / Hereinbefore	Earlier in this document	“as set forth hereinabove”
Hereto	To this document (typically used for parties or attachments)	“parties hereto,” “Exhibit A hereto”
Hereunder	Under this document / pursuant to this agreement	“obligations hereunder,” “payments hereunder”
Hereby	By this document / by this act	“Company hereby grants…”
Heretofore	Before this document / previously	“obligations heretofore existing”

Are These Terms Still Necessary?

Plain English drafters argue that “herein,” “hereof,” and their cousins should be replaced with specific cross-references (“in this Agreement,” “in Section 3.2,” “as defined above”). This approach reduces ambiguity—especially in long, complex agreements where “herein” might be ambiguous as to whether it refers to the full agreement or only the section at hand.

The traditional approach still appears in most formal commercial contracts because it is familiar, efficient, and well-understood by courts. Either approach works legally—what matters is consistency within the document.

FAQ

Does “herein” refer to just one section or the whole document?

By default, “herein” refers to the entire document unless the context clearly limits it to a specific section. If you want to reference only a specific provision, use “in this Section” or “in Section X.X” rather than “herein.”

Fitter Law helps Illinois founders draft and review business contracts with clear cross-reference language and consistent defined terms. Learn about our contract services or view our flat-fee packages.