According to the Law on Vietnamese Nationality, the conditions for naturalization in Vietnam are as follows:

Article 19. Conditions for naturalization in Vietnam

1. Foreign nationals and stateless persons permanently residing in Vietnam who file applications for Vietnamese nationality may be permitted for naturalization in Vietnam if they satisfy the following conditions:

a/ Having the full civil act capacity as prescribed by Vietnam’s laws;

b/ Obeying the Constitution and laws of Vietnam; respecting the traditions, customs and practices of the Vietnamese nation;

c/ Understanding Vietnamese sufficiently enough to integrate themselves into the Vietnamese community;

d/ Having resided in Vietnam for 5 years or more by the time of application for naturalization;

e/ Being capable of making their livelihood in Vietnam.

2. Those who apply for Vietnamese nationality may be permitted for naturalization in Vietnam without having to fully meet the conditions prescribed at Points c, d and e, Clause 1 of this Article if they fall into one of the following cases:

a/ Being spouses, natural parents or natural offsprings of Vietnamese citizens;

b/ Having made meritorious contributions to Vietnam’s national construction and defense;

c/ Being helpful to the State of the Socialist Republic of Vietnam.

3. Persons naturalized in Vietnam shall renounce their foreign nationality, except for those defined in Clause 2 of this Article in special cases, if so permitted by the President.

Thus, the child is holding foreign nationality but is still granted Vietnamese nationality according to the provisions of Point a, Clause 2, Article 19 of the Law on Vietnamese Nationality. However, according to the provisions of Clause 1, Article 19, the person applying for naturalization must have full civil act capacity according to the provisions of Vietnamese law; comply with the Constitution and laws of Vietnam; Respect the traditions, customs and practices of the Vietnamese people. If the child is under 6 years old, the child's mother will be the child's legal representative and be on the child's citizenship application.