(1) Every claim for compensation —under —sub-section (2) of section 51 shall be made lo the Planning Authority within ninety days from the date of service of the order of revocation or modification.
__(2)_The claim shall be made in wriling supported by details of cxpenditure incurred in carrying oul development according.to the :permission - granted, and a fuither detailed eslimate of such™of thie expenditure as hag been rendered abortiv: because of (he order of revocation or* modification of permission original y granted, both being prepared by a licensed surveyor.
A certified copy of ' e commencement cerlificate under which permission for development w.s originally granfed shall accompany such claim.
(3) The notice ol refusal to accept compensation offered by the Planning Authority shall be given by the owner within thirly days from the date of receipt of the offer.
10. Permission to retain development of land carried out without proper authority —Any person aggrieved by he notice served by the Planning Authority under sub-section (/) of section 53 and desiring to apply for permission under section 44 shall write to the Planning Authority giving {ul]; details of the development carried oul on the land, explaining the reasons for carrying out such developmenl unauthorisedly and applying for permission for retention on the land of any building or works or for the continuance of any use of the land, to which the notice relates. Such person shall also submit to the Planning Authority the relevant particulars and documents that would have been required fo be submitted under sub-rule
(2) of rule 6, had he applied for permission under section 44 before the development wa$ carried out.