Under any of the following four scenarios, however, Tier 1 membership was optional:
	- You were appointed to a temporary or provisional position;
 
	- You worked less than the standard number of hours for full-time employment as established by your employer for your position;
 
	- Your job lasted for less than one year, or you worked on a less-than-12-months-per-year basis; or
 
	- Your annual earnings were less than $1,500.