If you cancel the contract, you will be charged for the expenses you have used up until that time.
In the event that the contract is terminated, you will be liable for the expenses you have used up until that time.
この文章が以下のように翻訳されています。
契約をｷｬﾝｾﾙした場合それまでに費やした費用を請求する ー If you cancel the contract, you will be charged for the expenses you have used up until that time.
契約をｷｬﾝｾﾙした ー Cancel the contract / the contract is cancelled / terminate the contract / the contract is terminated
場合 ー If / In the event that＊ （ifよりフォーマルです）
それまでに ー up until then / until that time
費やした費用を ー expenses you have used / expenses you have incurred
請求する ー You will be charged for / will be sought / will be liable for
参考になれば嬉しいです。
オーストラリア 
