Subornation of perjury is when a person induces another person to lie under oath for their benefit. This is an illegal act and would be considered perjury and contempt of court.
If a person is convicted of subornation of perjury, they will face jail time and likely lose the case that the act occurred in.
The person who commits the perjury is also liable for criminal charges if they are found to be a party to lying in a court case.