What conditions can lead to an adjustment in the child support amounts due to undue hardship?

The correct choice highlights that regular calculations for child support can be adjusted if they would create undue hardship for the parents. This acknowledgment captures the essence of child support laws, which aim to balance the financial responsibilities of parenthood with the economic realities that parents may face.

Undue hardship refers to a situation where the financial obligations imposed by standard child support calculations would place an excessive burden on a parent's ability to meet their basic needs or those of the child. This could include scenarios where a parent faces unexpected job loss, significant medical expenses, or other financial difficulties that were not accounted for in the original support agreement.

In contrast to this choice, other options focus on specific situations like income differences or agreement between parents, which do not encompass the broader criteria used to assess undue hardship. It’s important to recognize that decisions surrounding child support adjustments need to consider a comprehensive overview of a parent's financial situation and the best interests of the child. The underlying principle is to ensure that support arrangements remain fair and just, allowing for modifications when necessary based on genuine financial need.