Silencer Shop used to use this for in state sales of silencers.

in accordance with 27 CFR 478.150, the ATF Director has certified that running a NICS background check is impracticable due to the geographical location of the licensee.

(a) The provisions of 478.102(d)(3) shall be applicable when the Director has certified that compliance with the provisions of 478.102(a)(1) is impracticable because:

(1) The ratio of the number of law enforcement officers of the State in which the transfer is to occur to the number of square miles of land area of the State does not exceed 0.0025;

(2) The business premises of the licensee at which the transfer is to occur are extremely remote in relation to the chief law enforcement officer; and

(3) There is an absence of telecommunications facilities in the geographical area in which the business premises are located.

(b) A licensee who desires to obtain a certification under this section shall submit a written request to the Director. Each request shall be executed under the penalties of perjury and contain information sufficient for the Director to make such certification. Such information shall include statistical data, official reports, or other statements of government agencies pertaining to the ratio of law enforcement officers to the number of square miles of land area of a State and statements of government agencies and private utility companies regarding the absence of telecommunications facilities in the geographical area in which the licensee's business premises are located.

(c) For purposes of this section and 478.129(c), the "chief law enforcement officer" means the chief of police, the sheriff, or an equivalent officer or the designee of any such individual.