Short Answer

You must make up your missed fasts before the upcoming Ramadan. If you are unable to do so, then you just make up those fasts after Ramadan is over, and try not to delay again so this doesn’t happen again the following Ramadan. 

Reason for Asking the Question

The questioner might have heard there is some penalty for delaying making up missed fasts.

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Certainty Level: 3 (out of 5) What is this?

Shaykh Mustafa Umar