Maryland Worksheet B — Child SupporObligationio— - Shared Physical Custody is a form used by the state of Maryland to calculate the amount of child support to be paid by a parent in a shared physical custody arrangement. It is used to determine the amount of support due for each parent based on their respective incomes and the number of days each parent has physical custody of the child. The form has two versions: Worksheet B-1 and Worksheet B-2. Worksheet B-1 is used in cases of shared physical custody and Worksheet B-2 is used in cases of sole physical custody. Both worksheets calculate the amount of child support to be paid by each parent using the Maryland Child Support Guidelines. The worksheets also include a section for additional expenses, such as health insurance, daycare, and extracurricular activities.