毎日遅刻する彼が会社を辞めされられたのは、やむを得ないことだ。

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I don't understand this 辞めされられた
Is it causative passive? I knew you could do it by making the causative into the passive like 辞めさせる--> 辞めさせられる. Correct me if I'm wrong but there's also another way to do it. Instead of making the causative into the passive like in 待たせる--待たせられる you can use the ない form of the verb 待たない and change ない into される--> 待たされる.
待つ is a godan verb but what about ichidan verbs? If the first pattern is used、辞める becomes 辞めさせる-->辞めさせられる. But the ない form for 辞める is 辞めない and I don't think you can say 辞めなされる which is not 辞めされられた by the way. Is 辞めされられた a causative passive? What is the rule behind this construction?