The Arizona 2011 Schedule of Basic Child Support Obligation is a set of guidelines established by the Arizona Supreme Court that provides the amount of basic child support that should be paid by the non-custodial parent to the custodial parent. This schedule takes into account the number of children, the adjusted gross income of both parents, and any relevant factors that may affect the calculation. It is used to set the standard for determining the amount of child support that should be paid in all family law cases. There are three types of Arizona 2011 Schedule of Basic Child Support Obligation: the revised uniform child support guideline, the modified guideline, and the poverty guideline. The revised uniform child support guideline is used in most cases, while the modified and poverty guidelines are used in cases where either parent has an income that is significantly lower than the median income for a family of the same size.