20. (1) When the following events have occurred, namely:- (a) the period fixed under section 6 for preferring claims has elapsed, and all claims, if any, made under that section or section 9 have been disposed of by the Forest Settlement-officer; (b) if any such claims have been made, the period limited by section 17 for appealing from the orders passed on such claims has elapsed, and all appeals (if any) presented within such period have been disposed of by the ¹[Divisional Commissioner]; and (c) all lands (if any) to be included in the proposed forest, which the Forest Settlement-officer has, under section 11, elected to acquire under the ²[Acquisition and Requisition of Immovable Property Ordinance, 1982 (II of 1982), have become vested in the Government under section 11 of that Ordinance], the Government shall publish a notification in the official Gazette, specifying definitely, according to boundary-marks erected or otherwise, the limits of the forest which is to be reserved, and declaring the same to be reserved from a date fixed by the notification. (2) From the date so fixed such forest shall be deemed to be a reserved forest.