 
<translate> Iji zaa ajụjụ a, anyị kwesịrị ịmara nke a: Ndezigharị nke Iri na Isii (Ndozigharị nke Iri na Isii) nke Iwu United States na-enye ndị omeiwu ikike ịnakọta ụtụ isi ego na-enweghị ikesa ya n'etiti steeti ma ọ bụ dabere na ọnụ ọgụgụ ndị United States. Ya mere, azịza ikpeazụ bụ Ndezigharị nke Iri na Isii (Ndozigharị nke Iri na Isii). <eng> To answer this question, we should know that: The Sixteenth Amendment (Amendment XVI) to the United States Constitution allows the Congress to levy an income tax without apportioning it among the states or basing it on the United States Census. Therefore, the final answer is The Sixteenth Amendment ( Amendment XVI ). 