As per Govt of India’s notification the effective date of The Payment of Gratuity (Amendment) Act, 2010 is 24.05.2010. It is mentioned in the Gazatte notification issued by Ministry of Labour & Employment in the Gazette of India extraordinary Part-II, Sction-3,Subsection(ii), S.O.121(E) –“In exercise of the powers conferred by sub-section(2) of section 1 of the Payment of Gratuity(Amendment) Act, 2010(15 of 2010) , the central Government hereby appoints the 24th day of May,2010, as the date which the said Act shall come into force”.