Form 9956, Internal Revenue Service Number (IRSN) Request Form Figure 10 illustrates a completed Form 9956, Internal Revenue Service Number (IRSN) Request Form). This form is used to request Entity to assign an IRSN. The fields completed in the Request for Temporary IRSN section are completed by the requestor and contain the fields necessary to establish a taxpayer.The fields within the TAS-T/E Information section are completed by the requestor and includes an indication the TE Shift works Days.The fields within the TAS-T/E Information section are completed by the requestor and the information includes the requestor's TE/IDRS number, name, fax number, stop number, location of T/E, Shift T/E Works, type of letter send, Date the letter was sent, Case number, phone number, etc. There are sections such as Would you like the account established on Master File, the box Yes is marked. Will this account require a scramble indicator, the box No is marked.The area marked What year do you want the account established for: 2019 is indicated.What filing status do you want the account established with: 1 is indicated on the form.The employee information supplied allows the Entity Control Unit (ECU) to contact the requestor. When further contact is needed, the ECU can contact the initiator based on the contract-supplied information.