Pennsylvania Application for Child or Spousal Support Services Form IN-001 is an official form issued by the Pennsylvania Department of Human Services. It is used by individuals to apply for child or spousal support services from the Commonwealth of Pennsylvania. The form includes sections for basic information, such as applicant name, address, phone number, and Social Security number. It also includes sections for financial information, such as income and expenses, and other information, such as the reason for applying and a description of the services requested. There are three types of Pennsylvania Application for Child or Spousal Support Services Form IN-001: 1) Application for Services, 2) Application for Modification of Support, and 3) Application for Review of Support. All three applications must be completed in full and signed by the applicant in order to be considered by the Department of Human Services.