Example invoice-1

RDFa (source lint)

<div vocab="http://schema.org/" typeof="Invoice">
  <h1 property="description">January 2015 Visa</h1>
  <a property="url" href="http://acmebank.com/invoice.pdf">Invoice PDF</a>
  <div property="broker" typeof="BankOrCreditUnion">
    <b property="name">ACME Bank</b>
  </div>
  <span property="accountId">xxxx-xxxx-xxxx-1234</span>
  <div property="customer" typeof="Person">
    <b property="name">Jane Doe</b>
  </div>
  <time property="paymentDueDate">2015-01-30</time>
  <div property="minimumPaymentDue" typeof="PriceSpecification">
    <span property="price">15.00</span>
    <span property="priceCurrency">USD</span>
  </div>
  <div property="totalPaymentDue" typeof="PriceSpecification">
    <span property="price">200.00</span>
    <span property="priceCurrency">USD</span>
  </div>
  <meta property="billingPeriod" content="2014-12-21/P30D" />starts:2014-12-21 30 days
  <link property="paymentStatus" href="PaymentDue" />
</div>

microdata (source lint)

<div itemscope itemtype="http://schema.org/Invoice">
  <h1 itemprop="description">January 2015 Visa</h1>
  <a itemprop="url" href="http://acmebank.com/invoice.pdf" />Invoice PDF</a>
  <div itemprop="broker" itemscope itemtype="http://schema.org/BankOrCreditUnion">
    <b itemprop="name">ACME Bank</b>
  </div>
  <span itemprop="accountId">xxxx-xxxx-xxxx-1234</span>
  <div itemprop="customer" itemscope itemtype="http://schema.org/Person">
    <b itemprop="name">Jane Doe</b>
  </div>
  <time itemprop="paymentDueDate">2015-01-30</time>
  <div itemprop="minimumPaymentDue" itemscope itemtype="http://schema.org/PriceSpecification">
    <span itemprop="price">15.00</span>
    <span itemprop="priceCurrency">USD</span>
  </div>
  <div itemprop="totalPaymentDue" itemscope itemtype="http://schema.org/PriceSpecification">
    <span itemprop="price">200.00</span>
    <span itemprop="priceCurrency">USD</span>
  </div>
  <meta itemprop="billingPeriod" content="2014-12-21/P30D" />starts:2014-12-21 30 days
  <link itemprop="paymentStatus" href="http://schema.org/PaymentDue" />
</div>

JSON-LD (source lint)

<script type="application/ld+json">
{
    "@context": "http://schema.org/",
    "@type": "Invoice",
    "description": "January 2015 Visa bill.",
    "url": "http://acmebank.com/invoice.pdf",
    "broker": {
      "@type": "BankOrCreditUnion",
      "name": "ACME Bank",
    },
    "accountId": "xxxx-xxxx-xxxx-1234",
    "customer": {
      "@type": "Person",
      "name": "Jane Doe"
    },
    "paymentDueDate": "2015-01-30",
    "minimumPaymentDue": {
      "@type": "PriceSpecification",
      "price": 15.00,
      "priceCurrency": "USD"
    },
    "totalPaymentDue": {
      "@type": "PriceSpecification",
      "price": 200.00,
      "priceCurrency": "USD"
    },
    "billingPeriod": "2014-12-21/P30D",
    "paymentStatus": "http://schema.org/PaymentDue"
}
</script>