Leviticus 19:11 forbids injuries perpetrated by craft; Leviticus 19:13, those perpetrated by violence or power, the conversion of might into right. In Leviticus 19:13 “defraud” should rather be, oppress.
SDA Bible Commentary (limited)
Volume 1-7
12. Not swear by my name falsely. By implication this permits the judicial oath. It is not concerned with swearing (in court) as such, but with swearing falsely. Perjury is rightly considered a most serious crime, because it perverts justice. It is a definite breach of the third commandment and merits severe punishment (Matt. 5:33-37).