When you think you have both the interest and the grounds you should file a petition for guardianship under A.M. No. 03-02-05-SC Rule on Guardianship of Minors. This Rule amended Rules 92 to 97 of the Rules of Court pertaining to guardianship. The essential provisions of the Rule are:
Sec. 4. Grounds of petition. – The grounds for the appointment of a guardian over the person or property, or both, of a minor are the following:
(a) death, continued absence, or incapacity of his parents;
(b) suspension, deprivation or termination of parental authority;
(c) remarriage of his surviving parent, if the latter Is found unsuitable to exercise parental authority; or
(d) when the best interests of the minor so require.
Sec. 5. Qualifications of guardians. – In appointing a guardian, the court shall consider the guardian’s:
(a) moral character;
(b) physical, mental and psychological condition;
(c) financial status;
(d) relationship of trust with the minor;
(e) availability to exercise the powers and duties of a guardian for the full period of the guardianship;
(f) lack of conflict of interest with the minor; and
(g) ability to manage the property of the minor.
Sec. 6. Who may be appointed guardian of the person or property, or both, of a minor. –
In default of parents or a court-appointed guardian, the court may appoint a guardian of the person or property, or both, of a minor, observing as far as practicable, the following order of preference:
(a) the surviving grandparent and In case several grandparents survive, the court shall select any of them taking Into account all relevant considerations;
(b) the oldest brother or sister of the minor over twenty-one years of age, unless unfit or disqualified;
(c) the actual custodian of the minor over twenty-one years of age, unless unfit or disqualified; and
(d) any other person, who in the sound discretion of the court, would serve the best interests of the minor.