A and B are partners and C is the manager. A want to admit C as a partner with retrospective effect to which B denies. C argues with him but still B does not agree. Can C admit as a partner?

Yes, because one partner agrees Yes, if both partners agree No Yes, with immediate effect not retrospective effect

Yes, if both partners agree

If both partners agree only then C can admit as a partner with retrospective effect otherwise, he will continue as a manager.