A code indicating the language the beneficiary speaks other than English at home; most recent in the calendar and all prior years.
This value is the most recent in the calendar year (or, if not populated, then the most recent value from prior year[s] is used).
Additional language codes may be found for ISO 639 “Codes for the Representation of Names of Language”. See https://www.loc.gov/standards/iso639-2/php/code_list.php
SOURCE: T-MSIS Annual Demographic and Eligibility TAF