When access to financial records is obtained pursuant to section
3414
(b) of this title (emergency access), the Government authority shall, unless a court has authorized delay of notice pursuant to subsections (a) and (b) of this section, as soon as practicable after such records are obtained serve upon the customer, or mail by registered or certified mail to his last known address, a copy of the request to the financial institution together with the following notice which shall state with reasonable specificity the nature of the law enforcement inquiry:
“Records concerning your transactions held by the financial institution named in the attached request were obtained by (agency or department) under the Right to Financial Privacy Act of 1978 [
12 U.S.C.
3401 et seq.] on (date) for the following purpose: Emergency access to such records was obtained on the grounds that (state grounds).”.