[ Then set out any relevant background leading up the planning authority’s decision to issue the notice (eg references to correspondence with the landowner).]
Ystyried a oes rhinwedd i’r sylw (er enghraifft mae’n nodi nad yw’r broses wedi’i dilyn yn gywir neu mae’n dod â gwybodaeth i’r amlwg sy’n berthnasol i’r penderfyniad a wnaed).