When an investigator contacts by telephone the domain administrator or controller listed by a Who is lookup to request all e-mails sent and received for a user account be preserved, what U.S.C. statute authorizes this phone call and obligates the ISP to preserve e-mail records?

A. Title 18, Section 1030

B. Title 18, Section 2703(d)

C. Title 18, Section Chapter 90

D. Title 18, Section 2703(f)