S.D. Codified Laws § 25-4-15
Current with legislation signed by the governor on or before 3/6/2024
Willful neglect is the neglect of a person to provide the common necessaries of life for his or her spouse, when having the ability to do so; or it is the failure to do so by reason of idleness, profligacy, or dissipation.
SDCL 25-4-15