Whether Federal Rule of Civil Procedure 4(d)(1) was valid under the Rules Enabling Act and the Constitution.
Holding
Yes. Rule 4(d)(1) validly regulates federal procedure and does not abridge, enlarge, or modify a substantive right.
Reasoning
The Rules Enabling Act authorizes the Court to prescribe rules governing the practice and procedure of federal district courts, while prohibiting rules that alter substantive rights. A rule prescribing how a defendant receives notice that a suit has begun is a classic procedural rule: it regulates the judicial process by which recognized rights and duties are enforced.
Rule 4(d)(1) easily satisfies that standard. Allowing service by leaving process with a suitable resident at the defendant’s dwelling affects the mechanics of notice, not the substantive rules by which the court decides liability or damages. Any effect on litigants’ interests is merely the ordinary incidental effect of a procedural rule.
Congress’s constitutional authority to establish federal courts, together with the Necessary and Proper Clause, includes authority to regulate federal practice and pleading. That authority reaches matters in the uncertain boundary area between substance and procedure so long as they are rationally classifiable as procedural. Rule 4(d)(1) falls comfortably within that authority.