2. Where the applicable legislation does not allow migrant workers and members of their families a benefit, the States concerned shall examine the possibility of reimbursing interested persons the amount of contributions made by them with respect to that benefit on the basis of the treatment granted to nationals who are in similar circumstances. Article 28 Migrant workers and members of their families shall have the right to receive any medical care that is urgently required for the preservation of their life or the avoidance of irreparable harm to their health on the basis of equality of treatment with nationals of the State concerned. Such emergency medical care shall not be refused them by reason of any irregularity with regard to stay or employment. Article 29 Each child of a migrant worker shall have the right to a name, to registration of birth and to a nationality. Article 30 Each child of a migrant worker shall have the basic right of access to education on the basis of equality of treatment with nationals of the State concerned. Access to public pre-school educational institutions or schools shall not be refused or limited by reason of the irregular situation with respect to stay or employment of either parent or by reason of the irregularity of the child’s stay in the State of employment. Article 31 1. States Parties shall ensure respect for the cultural identity of migrant workers and members of their families and shall not prevent them from maintaining their cultural links with their State of origin. 2. States Parties may take appropriate measures to assist and encourage efforts in this respect. 120