Letter of Map Change (LOMC) Batch Files are downloadable as zip files and contain all new Letters of Map Amendment (LOMAs), Letters of Map Revision (LOMRs), Revalidation Letters and Summaries of Map Action (SOMAs) issued during a week. Additionally, Batch Files include indices to help manage the content. The files are typically posted within 2 weeks of the end of the Issue Date window.

To learn more about LOMCs, please see the following webpages:

Date Range of File
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07/09/2017 - 07/15/2017 87MB Download Batch File
07/02/2017 - 07/08/2017 52MB Download Batch File
06/25/2017 - 07/01/2017 96MB Download Batch File
06/18/2017 - 06/24/2017 159MB Download Batch File
06/11/2017 - 06/17/2017 125MB Download Batch File
06/04/2017 - 06/10/2017 99MB Download Batch File
05/28/2017 - 06/03/2017 83MB Download Batch File
05/21/2017 - 05/27/2017 69MB Download Batch File
05/14/2017 - 05/20/2017 124MB Download Batch File
05/07/2017 - 05/13/2017 214MB Download Batch File
04/30/2017 - 05/06/2017 200MB Download Batch File
04/23/2017 - 04/29/2017 118MB Download Batch File
04/16/2017 - 04/22/2017 126MB Download Batch File
04/09/2017 - 04/15/2017 105MB Download Batch File
04/02/2017 - 04/08/2017 122MB Download Batch File
03/26/2017 - 04/01/2017 55MB Download Batch File
03/19/2017 - 03/25/2017 192MB Download Batch File
03/12/2017 - 03/18/2017 181MB Download Batch File
03/05/2017 - 03/11/2017 85MB Download Batch File
02/26/2017 - 03/04/2017 129MB Download Batch File
02/19/2017 - 02/25/2017 88MB Download Batch File
02/12/2017 - 02/18/2017 92MB Download Batch File
02/05/2017 - 02/11/2017 179MB Download Batch File
01/29/2017 - 02/04/2017 96MB Download Batch File
01/22/2017 - 01/28/2017 50MB Download Batch File
01/15/2017 - 01/21/2017 215MB Download Batch File
01/08/2017 - 01/14/2017 97MB Download Batch File
01/01/2017 - 01/07/2017 96MB Download Batch File
12/25/2016 - 12/31/2016 85MB Download Batch File
12/18/2016 - 12/24/2016 233MB Download Batch File
12/11/2016 - 12/17/2016 112MB Download Batch File
12/04/2016 - 12/10/2016 89MB Download Batch File
11/27/2016 - 12/03/2016 87MB Download Batch File
11/20/2016 - 11/26/2016 69MB Download Batch File
11/13/2016 - 11/19/2016 108MB Download Batch File
11/06/2016 - 11/12/2016 99MB Download Batch File
10/30/2016 - 11/05/2016 170MB Download Batch File
10/23/2016 - 10/29/2016 155MB Download Batch File
10/16/2016 - 10/22/2016 137MB Download Batch File
10/09/2016 - 10/15/2016 91MB Download Batch File
10/02/2016 - 10/08/2016 177MB Download Batch File
09/25/2016 - 10/01/2016 186MB Download Batch File
09/18/2016 - 09/24/2016 127MB Download Batch File
09/11/2016 - 09/17/2016 96MB Download Batch File
09/04/2016 - 09/10/2016 187MB Download Batch File
08/28/2016 - 09/03/2016 89MB Download Batch File
08/21/2016 - 08/27/2016 108MB Download Batch File
08/14/2016 - 08/20/2016 113MB Download Batch File
08/07/2016 - 08/13/2016 82MB Download Batch File
07/31/2016 - 08/06/2016 117MB Download Batch File
07/24/2016 - 07/30/2016 105MB Download Batch File
07/17/2016 - 07/23/2016 108MB Download Batch File
07/10/2016 - 07/16/2016 69MB Download Batch File
07/03/2016 - 07/09/2016 118MB Download Batch File
06/26/2016 - 07/02/2016 101MB Download Batch File
06/19/2016 - 06/25/2016 104MB Download Batch File
06/12/2016 - 06/18/2016 157MB Download Batch File
06/05/2016 - 06/11/2016 73MB Download Batch File
05/29/2016 - 06/04/2016 85MB Download Batch File
05/22/2016 - 05/28/2016 111MB Download Batch File
05/15/2016 - 05/21/2016 96MB Download Batch File
05/08/2016 - 05/14/2016 103MB Download Batch File
05/01/2016 - 05/07/2016 225MB Download Batch File
04/24/2016 - 04/30/2016 131MB Download Batch File
04/17/2016 - 04/23/2016 86MB Download Batch File
04/10/2016 - 04/16/2016 122MB Download Batch File
04/03/2016 - 04/09/2016 124MB Download Batch File
03/27/2016 - 04/02/2016 101MB Download Batch File
03/20/2016 - 03/26/2016 114MB Download Batch File
03/13/2016 - 03/19/2016 213MB Download Batch File
03/06/2016 - 03/12/2016 88MB Download Batch File
02/28/2016 - 03/05/2016 98MB Download Batch File
02/21/2016 - 02/27/2016 109MB Download Batch File
02/14/2016 - 02/20/2016 93MB Download Batch File
02/07/2016 - 02/13/2016 107MB Download Batch File
01/31/2016 - 02/06/2016 89.2MB Download Batch File
01/24/2016 - 01/30/2016 79MB Download Batch File
01/17/2016 - 01/23/2016 75MB Download Batch File
01/10/2016 - 01/16/2016 174MB Download Batch File
01/03/2016 - 01/09/2016 79MB Download Batch File
12/27/2015 - 01/02/2016 64MB Download Batch File
12/20/2015 - 12/26/2015 87MB Download Batch File
12/13/2015 - 12/19/2015 109MB Download Batch File
12/06/2015 - 12/12/2015 196MB Download Batch File
11/29/2015 - 12/05/2015 99MB Download Batch File
11/22/2015 - 11/28/2015 92MB Download Batch File
11/15/2015 - 11/21/2015 141MB Download Batch File
11/08/2015 - 11/14/2015 81MB Download Batch File
11/01/2015 - 11/07/2015 110MB Download Batch File
10/25/2015 - 10/31/2015 163MB Download Batch File
10/18/2015 - 10/24/2015 130MB Download Batch File
10/11/2015 - 10/17/2015 57MB Download Batch File
10/01/2015 - 10/10/2015 71MB Download Batch File
09/27/2015 - 10/03/2015 114MB Download Batch File
09/20/2015 - 09/26/2015 186MB Download Batch File
09/13/2015 - 09/19/2015 119MB Download Batch File
09/06/2015 - 09/12/2015 64.2MB Download Batch File
08/30/2015 - 09/05/2015 79MB Download Batch File
08/23/2015 - 08/29/2015 86MB Download Batch File
08/16/2015 - 08/22/2015 76.3MB Download Batch File
08/09/2015 - 08/15/2015 77.2MB Download Batch File
08/02/2015 - 08/08/2015 54MB Download Batch File
07/26/2015 - 08/01/2015 95.8MB Download Batch File
07/19/2015 - 07/25/2015 97MB Download Batch File
07/12/2015 - 07/18/2015 97MB Download Batch File
07/05/2015 - 07/11/2015 74MB Download Batch File
06/28/2015 - 07/04/2015 64MB Download Batch File
06/21/2015 - 06/27/2015 127MB Download Batch File
06/14/2015 - 06/20/2015 63.6 Download Batch File
06/07/2015 - 06/13/2015 59.5MB Download Batch File
05/31/2015 - 06/06/2015 110MB Download Batch File
05/24/2015 - 05/30/2015 123MB Download Batch File
05/17/2015 - 05/23/2015 171MB Download Batch File
05/10/2015 - 05/16/2015 113MB Download Batch File
05/03/2015 - 05/09/2015 48MB Download Batch File
04/26/2015 - 05/02/2015 75MB Download Batch File
04/19/2015 - 04/25/2015 123MB Download Batch File
04/12/2015 - 04/18/2015 138MB Download Batch File
04/05/2015 - 04/11/2015 258MB Download Batch File
03/29/2015 - 04/04/2015 148MB Download Batch File
03/22/2015 - 03/28/2015 182MB Download Batch File
03/14/2015 - 03/20/2015 132MB Download Batch File
03/07/2015 - 03/13/2015 192MB Download Batch File
02/28/2015 - 03/06/2015 251MB Download Batch File
02/21/2015 - 02/27/2015 237MB Download Batch File
02/14/2015 - 02/20/2015 59MB Download Batch File
02/07/2015 - 02/13/2015 235MB Download Batch File
01/31/2015 - 02/06/2015 167MB Download Batch File
01/24/2015 - 01/30/2015 42.9MB Download Batch File
01/17/2015 - 01/23/2015 108.7MB Download Batch File
01/10/2015 - 01/16/2015 103.6MB Download Batch File
01/03/2015 - 01/09/2015 167.74MB Download Batch File
12/27/2014 - 01/02/2015 183.74MB Download Batch File
12/20/2014 - 12/26/2014 98.40MB Download Batch File
12/13/2014 - 12/19/2014 176.48MB Download Batch File
12/06/2014 - 12/12/2014 247.67MB Download Batch File
11/29/2014 - 12/05/2014 263.72MB Download Batch File
11/22/2014 - 11/28/2014 133.53MB Download Batch File
11/15/2014 - 11/21/2014 162.1MB Download Batch File
11/08/2014 - 11/14/2014 117.46MB Download Batch File
11/01/2014 - 11/07/2014 124.46MB Download Batch File
10/25/2014 - 10/31/2014 111.18MB Download Batch File
10/18/2014 - 10/24/2014 225.92MB Download Batch File
10/11/2014 - 10/17/2014 272.35MB Download Batch File
10/04/2014 - 10/10/2014 173.75MB Download Batch File
09/27/2014 - 10/03/2014 245.40MB Download Batch File
09/20/2014 - 09/26/2014 171.13MB Download Batch File
09/13/2014 - 09/19/2014 136.83MB Download Batch File
09/06/2014 - 09/12/2014 115.90MB Download Batch File
08/30/2014 - 09/05/2014 105.85MB Download Batch File
08/23/2014 - 08/29/2014 185.73MB Download Batch File
08/16/2014 - 08/22/2014 141.87MB Download Batch File
08/09/2014 - 08/15/2014 153.9MB Download Batch File
08/02/2014 - 08/08/2014 198.01MB Download Batch File
07/26/2014 - 08/01/2014 123.9MB Download Batch File
07/19/2014 - 07/25/2014 143.2MB Download Batch File
07/12/2014 - 07/18/2014 130.1MB Download Batch File
07/05/2014 - 07/11/2014 107.78MB Download Batch File
06/28/2014 - 07/04/2014 100.97MB Download Batch File
06/21/2014 - 06/27/2014 88.3MB Download Batch File
06/14/2014 - 06/20/2014 113.48MB Download Batch File
06/07/2014 - 06/13/2014 252.34MB Download Batch File
05/31/2014 - 06/06/2014 210.59MB Download Batch File
05/24/2014 - 05/30/2014 94.04MB Download Batch File
05/17/2014 - 05/23/2014 135.85MB Download Batch File
05/10/2014 - 05/16/2014 124.94MB Download Batch File
05/03/2014 - 05/09/2014 141.01MB Download Batch File
04/26/2014 - 05/02/2014 192.64MB Download Batch File
04/19/2014 - 04/25/2014 118.40MB Download Batch File
04/12/2014 - 04/18/2014 215.15MB Download Batch File
04/05/2014 - 04/11/2014 221.40MB Download Batch File
03/28/2014 - 04/04/2014 137 Download Batch File
03/22/2014 - 03/28/2014 152.02 Download Batch File
03/15/2014 - 03/21/2014 102.81 Download Batch File
03/08/2014 - 03/14/2014 124.92 Download Batch File
03/01/2014 - 03/07/2014 123.45 Download Batch File
02/22/2014 - 02/28/2014 196.05 Download Batch File
02/15/2014 - 02/21/2014 268.85MB Download Batch File
02/08/2014 - 02/14/2014 234.08MB Download Batch File
02/01/2014 - 02/07/2014 146.12MB Download Batch File
01/25/2014 - 01/31/2014 135.57MB Download Batch File
01/18/2014 - 01/24/2014 91.60MB Download Batch File
01/11/2014 - 01/17/2014 134.81MB Download Batch File
01/04/2014 - 01/10/2014 97.26MB Download Batch File
12/28/2013 - 01/03/2014 141.45MB Download Batch File
12/21/2013 - 12/27/2013 279.73MB Download Batch File
12/14/2013 - 12/20/2013 95.21MB Download Batch File
12/07/2013 - 12/13/2013 129.21MB Download Batch File
11/30/2013 - 12/06/2013 111.30MB Download Batch File
11/23/2013 - 11/29/2013 104.02MB Download Batch File
11/16/2013 - 11/22/2013 245.61MB Download Batch File
11/09/2013 - 11/15/2013 88.86MB Download Batch File
11/02/2013 - 11/08/2013 109.96MB Download Batch File
10/26/2013 - 11/01/2013 193.67MB Download Batch File
10/19/2013 - 10/25/2013 381.54MB Download Batch File
10/12/2013 - 10/18/2013 91.85MB Download Batch File
10/05/2013 - 10/11/2013 144.93MB Download Batch File
09/28/2013 - 10/04/2013 82.40MB Download Batch File
09/21/2013 - 09/27/2013 270.88MB Download Batch File
09/14/2013 - 09/20/2013 379.0MB Download Batch File
09/07/2013 - 09/13/2013 126.8MB Download Batch File
08/31/2013 - 09/06/2013 47.9MB Download Batch File
08/24/2013 - 08/30/2013 161.6MB Download Batch File
08/17/2013 - 08/23/2013 118.1MB Download Batch File
08/10/2013 - 08/16/2013 114.8MB Download Batch File
08/03/2013 - 08/09/2013 61.2MB Download Batch File
07/27/2013 - 08/02/2013 96.2MB Download Batch File
07/20/2013 - 07/26/2013 119MB Download Batch File
07/13/2013 - 07/19/2013 81.9MB Download Batch File
07/06/2013 - 07/12/2013 64.8MB Download Batch File
06/29/2013 - 07/05/2013 51.0MB Download Batch File
06/22/2013 - 06/28/2013 127MB Download Batch File
06/15/2013 - 06/21/2013 127MB Download Batch File
06/08/2013 - 06/14/2013 123.3MB Download Batch File
06/01/2013 - 06/07/2013 56.1MB Download Batch File
05/16/2013 - 05/31/2013 228MB Download Batch File
05/01/2013 - 05/15/2013 335MB Download Batch File