In order to receive social assistance, single mothers must contact the labor and social protection authorities at the place of registration. For this, you will need to prepare the following list of documents:
application for the assignment of aid;
a copy of the child's birth certificate;
certificate of income for each family member;
a copy of the adoption decision (only for adopters);
certificate of registration of the place of residence of the mother and child;
a copy of the father's death certificate and a certificate of non-receipt of survivor's pension and social pension (for widowers);
declaration of income and property status of persons who applied for assistance (filled out on the basis of income certificates of each family member for 6 months);
an extract from the State Register of acts of civil status of citizens on the state registration of the birth of a child, indicating the basis for entering information about the child's father in accordance with paragraph 1 of part 1 of article 135 of the Family Code;
a document on the birth of a child, issued by a competent body of a foreign state, which does not contain information about the father, provided that it is legalized in accordance with the procedure established by law (for children born outside of Ukraine).
You can read more about social assistance to single mothers in the article of the same name - https://ua-lawyer.com/uk/articles/50/sotsialna-dopomoga-odinokim-materiam/.