| EntityId | int | | Y | Unique identifier that is generated by EPS. (See - Required Data Elements) |
| IsCompany | bool | | Y | Identifies a customer as an individual or business. (See - Optional Data Elements) |
| CustomerNumber | string | 50 | | Unique identifier to be assigned to each registered customer. (See - System Required/User Optional Data Elements) |
| Field1 | string | 50 | | Optional information associated with a customer. Data is stored with the customer. Indexed field. |
| Field2 | string | 50 | | Optional information associated with a customer. |
| Field3 | string | 50 | | Optional information associated with a customer. |
| FirstName | string | 30 | | This is the first name of an Individual customer
(IsCompany = False). The element can be left blank if this is a business customer (IsCompany = True). |
| LastName | string | 60 | Y | This is either the last name of an individual customer or the company name on a business account. This element cannot be null. |
| Email | string | 60 | | Customer’s email address. |
| OtherEmail | string | 120 | | Any additional email addresses associated with this customer. |
| Address1 | string | 50 | | Customer’s home or business address. |
| Address2 | string | 50 | | Additional home or business address information. |
| City | string | 40 | | The city where this address is located. |
| StateRegion | string | 40 | | The state where this address is located. |
| PostalCode | string | 10 | | The zip or postal code of this address. |
| Country | string | 40 | | The country where this address is located. |
| EveningPhone | string | 14 | | A phone number where the customer can be reached in the evening. |
| EveningExt | string | 6 | | The extension needed to reach the customer in the evening, if applicable. |
| DaytimePhone | string | 14 | | The phone number where the customer can be reached during the day. |
| DaytimeExt | string | 6 | | The extension needed to reach the customer during the day, if applicable. |
| Fax | string | 20 | | A fax number associated with this customer, if available. |
| SSN | string | 15 | | The customer’s Social Security Number. |
| DLState | string | 2 | | The state associated with the customer’s driver’s license. |
| DLNumber | string | 30 | | The customer’s driver’s license number. |