When was the custom of 'Sati' abolished by the British government?

NCERT (2026-27): “1.5 Why did people believe in the rumours? … Rumours circulate only when they resonate with the deeper fears and suspicions of people. The rumours in 1857 begin to make sense when seen in the context of the policies the British pursued from the late 1820s. As you know, from that time, under the leadership of Governor General Lord William Bentinck, the British adopted policies aimed at ‘reforming’ Indian society by introducing Western education, Western ideas and Western institutions. With the cooperation of sections of Indian society they set up English-medium schools, colleges and universities which taught Western sciences and the liberal arts. The British established laws to abolish customs like sati (1829) and to permit the remarriage of Hindu widows.…”