Section 363(1) in Arunachal Pradesh Municipal Act, 2007
(1)If any wall or building or anything affixed thereto, is deemed by the Chief Municipal Executive Officer/ Municipal Executive Officer to be in a ruinous state, or is likely to fall or to be in any way dangerous, he shall forthwith cause a notice, in writing to be served on the owner and to be put on some conspicuous part of the wall or building or served on the occupier, if any of the building requiring such owner or occupier forthwith to demolish, repair or secure such wall, building or thing as the case may require.