If a national issue, then it should be carried out as was done with late president Yen Chia-kan: burial at the military cemetery at the government's expense. If a family affair, it should be left to family elders to decide whether to honor the late presidents 'wishes and bury their cremated remains in their ancestral lands.
若為國事，則可比照嚴家淦前總統模式，安葬於五指山公墓，費用由政府支付；若為家事，就請尊重家族長輩決定，與兩位老蔣總統的遺願，將遺體火化後運回老家安葬。