OREA (Ontario Real Estate Association)的买卖合同有许多，下边的四种应是最常用的，大家可以用Google搜索一下就可以找到了。
（注：表格可能被更新）
Residential Forms
Form 100 – Agreement of Purchase and Sale
Form 101 – Agreement of Purchase and Sale – Condominium Resale
Commercial Forms
Form 500 – Agreement of Purchase and Sale – Commercial
Form 501 – Agreement of Purchase and Sale Condominium Resale – Commercial