Grounds for disinheritance

The testator may in his will disinherit by expressly declaring that he does so, disclosing the grounds on which he disinherits, the following persons:— (a) the presumed heir when he is convicted for an offence intentionally committed against the testator, his spouse, ascendants, brothers, adopter or adoptee, punishable with imprisonment of more than six months; (b) the presumed heir who has been convicted for having lodged malicious prosecution or for perjury against any of the persons mentioned in the clause (a) above; (c) the presumptive heir who, without sufficient cause, refused to maintain the testator and or his spouse.