Does every husband whose divorce is valid possess the right to effect Khul'?

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Every husband whose divorce is valid possesses the right to effect Khul' because if he possesses the right to divorce, which is merely the dropping of an obligation without obtaining anything, he certainly possesses the right to effect Khul' while obtaining consideration. This right extends to a slave (Abd) who possesses the right to divorce, thus possessing the right to Khul'. Similarly, a manumitted slave (Mukatab) and a financially unwise person (Sufih) possess this right. There are two opinions regarding an age of discretion boy (Mumayyiz), depending on the validity of his divorce.