(b) Disability of attorney. If the attorney for an aggrieved party dies, is removed or suspended, or becomes physically or mentally incapacitated or otherwise disabled before the expiration of the time limited for taking an appeal or moving for permission to appeal without having done so, such appeal may be taken or such motion for permission to appeal may be served within sixty days from the date of death, removal or suspension, or commencement of such incapacity or disability.
(c) Other extensions of time; substitutions or omissions. No extension of time shall be granted for taking an appeal or for moving for permission to appeal except as provided in this section, section 1022, or section 5520.