Intelligence Authorization Act for Fiscal Year 2015: section 309 [0]<p>&quot;A covered communication shall not be retained in excess of 5 years, unless ... (iii) the communication is enciphered or reasonably believed to have a secret meaning;&quot;<p>[0] <a href="https:&#x2F;&#x2F;www.congress.gov&#x2F;bill&#x2F;113th-congress&#x2F;house-bill&#x2F;4681&#x2F;text" rel="nofollow">https:&#x2F;&#x2F;www.congress.gov&#x2F;bill&#x2F;113th-congress&#x2F;house-bill&#x2F;4681...</a>