Miss. Code § 89-6-11
No coordinates based on either Mississippi coordinate system, purporting to define the position of a point, shall be recorded on any plat or in any public record unless the coordinates are derived from an accurate connection to an identified existing or newly established permanently-monumented third order Class I(1:10,000) or higher order station of the National Geodetic Reference System. Standards and specifications of the Federal Geodetic Control Committee (FGCC) or its successor in force on the date of survey shall apply. Published existing control stations or the acceptance with intent to publish the newly established station by the National Ocean Service/National Geodetic Survey will constitute evidence of adherence to the FGCC specifications.
Miss. Code § 89-6-11