Associated charities are two or more registered charities that have applied for and received this designation from the Charities Directorate. Associated charities may transfer funds among themselves without being affected by the usual limitation placed on
gift-making by charitable organizations. A charity must obtain written permission to have an associated status designation. To obtain associated status, complete and send Form T3011, Registered Charities: Application for Designation as Associated Charities.

See http://www.cra-arc.gc.ca/E/pbg/tf/t1236/t1236-09-e.pdf