When writing an NF-e issued by a Rural Producer (Supplier type "Person"), the information field IE (State Registration) is not enabled and is not recorded in the invoice.

Therefore, this information is not considered in field 07 - State Registration of the IE Participant in SPED Fiscal Registration 0150.

REGISTRO 0150: TABELA DE CADASTRO DO PARTICIPANTE

Pages 32 and 33 - http://sped.rfb.gov.br/estatico/83/641EFB2FC0E317FFF8A5A5D09E3C874F3CDB04/Guia%20Pr%c3%a1tico%20EFD%20-%20Vers%c3%a3o%203.1.3.pdf