An example of how to specify attribute-to-English mappings for custom objects to pass to form_for. This file shows the mapping for a "payment" object. Note that it does not have to be an ActiveRecord.

en.yml

en:
  helpers:
    label:
      payment:
        first_name: First Name
        last_name: Last Name
        email: Email
        company: Company
        card_number: Credit Card Number
        card_expiration_date: Expiration Date
        cvv: CVV
        one_time_payment_amount: Amount
        one_time_payment_invoice_number: Invoice Number(s)
        subscription_plan_id: Subscription Plan
        subscription_start_date: Start Date