English to Chinese Social Sciences Social Science, Sociology, Ethics, etc.

To qualify for {{Tier I reimbursement}}, or if you wish to receive reimbursement for meals served to your own children under the XXX Program, you must complete, sign and return to us the enclosed form.

The text is an excerpt from a government benefit program. Please advise appropriate Chinese translation for the term "Tier I reimbursement". Thank you for your help.