Simples Nacional and MEI

Below is the data model for Simples Nacional and MEI:

Simples Nacional

Field	Type	Description
simples	S	Opting for Simples Nacional?
data_opcao_simples	S	Date of opting for Simples
data_exclusao_Simples	S	Date of exclusion from Simples
mei	S	Opting for MEI?
data_opcao_mei	S	Date of opting for MEI
data_exclusao_mei	S	Date of exclusion from MEI

Attention This record is only filled if the company is MEI, Simples, or has been one of the two at some point.