Lao Sangam MN is an outdated font in Laos, the official Lao government guidelines have stated and opted for the use of Phetsarath OT font.

Besides, the design of the latter font appears closer to that of Lao handwriting style, thus, offering superior aesthetics in graphic design works.

Reference:

Ministry of Post and Telecommunications of Lao PDR. (2012). Use of Phetsarth OT font in Information technology system. (Notice number: 1028/MPT)

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https://www.phetsarath.gov.la/gweb/backend/web/index.php?r=site/detail&id=481