Final answer:
Certain acts involving the sale of property in New York require a real estate license.
Step-by-step explanation:
In New York, a real estate license is required for certain acts involving the sale of property. Out of the options provided, the acts that would require a real estate license are:
- Sale of land by an auctioneer
- Foreclosure sale by court order
Sale of one's own property and sale by the owner's lawyer would not require a real estate license.