the seller shall correct any defects in the condominuim occurring within sixty days from notice being served of such defects in writting by either the purchaser or the condominium juristic person as the case may be
to the seller
unless the aforesaid defects are a matter which must be correct urgently
in this case the seller shall proceed to repair them with immediate effect upon the receipt of the notice
failure by the seller to undertake such repairs shall entitle the purchaser or the condominuim juristic person a
as the case may be