what is TOASC ICAR

I'm sorry, but "TOASC ICAR" does not seem to be a commonly recognized term or acronym. It could potentially be a specific domain or a customized term relevant to a specific context. Without more information, it is difficult to provide a clear answer.

However, if you have more context or additional details about what TOASC ICAR refers to, I would be happy to assist you further in understanding or researching it.