SEC. 4. RETENTION OF CERTAIN RECORDS BY ELECTRONIC COMMUNICATION SERVICE PROVIDERS. (a) In General- Section 2703 of title 18, United States Code, is amended by

SEC. 4. RETENTION OF CERTAIN RECORDS BY ELECTRONIC COMMUNICATION SERVICE PROVIDERS. (a) In General- Section 2703 of title 18, United States Code, is amended by adding at the end the following: `(h) Retention of Certain Records- A provider of an electronic communication service or remote computing service shall retain for a period of at least 18 months the temporarily assigned network addresses the service assigns to each account, unless that address is transmitted by radio communication (as defined in section 3 of the Communications Act of 1934).'. (b) Sense of Congress- It is the sense of Congress that records retained pursuant to section 2703(h) of title 18, United States Code, should be stored securely to protect customer privacy and prevent against breaches of the records.