U3A (ACT) Unit Registration Form Fields with a * are required fields. Family name * First name * U3A membership number * Email address * Gender Female Male Address line 1 * Address line 2 Town or suburb * State * Postcode * Country * Mobile Landline Unit name * Unit number * Search the Available units. U3A members can register to audit up to two units in each teaching period. The teaching periods are typically Semester 1, Winter Term and Semester 2. Unit availability for each teaching period will be updated when enrolments for that period are open. Please note not all º¬Ðß²ÝÊÓÆµ units are available to U3A members for auditing.