From the terms…..
Skywards Miles can be transferred via the Points Platform from one Eligible Skywards Member to another (“Transfer Miles”) in blocks of 1,000 Miles at a cost of US$15 per 1,000 Miles. The initial minimum purchase required is 2,000 Miles; a member may send and receive a maximum of 50,000 Miles per calendar year. Transfer Miles is not available for sending Skywards Miles to or receiving Skywards Miles from a My Family Account. Tier Miles cannot be transferred.