Advancements. A gift before death shall be considered as an ademption of a bequest or devise of the property given; but such gifts shall not be taken as an advancement to an heir or as an ademption of a general legacy unless such intention is expressed by the testator in the grant or otherwise in writing, or unless the donee acknowledges it in writing to be such. SOURCE: Probate Code of Guam (1970), § 1050.