diff --git a/fixtures/2019_registrasion.json b/fixtures/2019_registrasion.json
index ddd86a0e..3f271542 100644
--- a/fixtures/2019_registrasion.json
+++ b/fixtures/2019_registrasion.json
@@ -1313,877 +1313,5 @@
       1
     ]
   }
-},
-{
-  "model": "registrasion.cart",
-  "pk": 2,
-  "fields": {
-    "user": 1,
-    "time_last_updated": "2018-09-29T01:50:55.910Z",
-    "reservation_duration": "1 00:00:00",
-    "revision": 10,
-    "status": 3,
-    "vouchers": []
-  }
-},
-{
-  "model": "registrasion.cart",
-  "pk": 3,
-  "fields": {
-    "user": 1,
-    "time_last_updated": "2018-09-29T02:41:48.517Z",
-    "reservation_duration": "1 00:00:00",
-    "revision": 6,
-    "status": 3,
-    "vouchers": []
-  }
-},
-{
-  "model": "registrasion.cart",
-  "pk": 4,
-  "fields": {
-    "user": 1,
-    "time_last_updated": "2018-09-29T03:36:22.660Z",
-    "reservation_duration": "1 00:00:00",
-    "revision": 4,
-    "status": 3,
-    "vouchers": []
-  }
-},
-{
-  "model": "registrasion.cart",
-  "pk": 5,
-  "fields": {
-    "user": 1,
-    "time_last_updated": "2018-09-29T03:47:01.386Z",
-    "reservation_duration": "01:00:00",
-    "revision": 4,
-    "status": 3,
-    "vouchers": []
-  }
-},
-{
-  "model": "registrasion.cart",
-  "pk": 6,
-  "fields": {
-    "user": 1,
-    "time_last_updated": "2018-09-29T04:05:00.595Z",
-    "reservation_duration": "01:00:00",
-    "revision": 2,
-    "status": 3,
-    "vouchers": []
-  }
-},
-{
-  "model": "registrasion.cart",
-  "pk": 7,
-  "fields": {
-    "user": 1,
-    "time_last_updated": "2018-09-29T04:26:10.518Z",
-    "reservation_duration": "1 00:00:00",
-    "revision": 2,
-    "status": 1,
-    "vouchers": []
-  }
-},
-{
-  "model": "registrasion.productitem",
-  "pk": 1,
-  "fields": {
-    "cart": 2,
-    "product": 13,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.productitem",
-  "pk": 2,
-  "fields": {
-    "cart": 2,
-    "product": 1,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.productitem",
-  "pk": 3,
-  "fields": {
-    "cart": 2,
-    "product": 14,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.productitem",
-  "pk": 4,
-  "fields": {
-    "cart": 2,
-    "product": 20,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.productitem",
-  "pk": 8,
-  "fields": {
-    "cart": 2,
-    "product": 22,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.productitem",
-  "pk": 9,
-  "fields": {
-    "cart": 3,
-    "product": 1,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.productitem",
-  "pk": 10,
-  "fields": {
-    "cart": 3,
-    "product": 13,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.productitem",
-  "pk": 11,
-  "fields": {
-    "cart": 3,
-    "product": 14,
-    "quantity": 5
-  }
-},
-{
-  "model": "registrasion.productitem",
-  "pk": 12,
-  "fields": {
-    "cart": 3,
-    "product": 20,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.productitem",
-  "pk": 13,
-  "fields": {
-    "cart": 3,
-    "product": 22,
-    "quantity": 52
-  }
-},
-{
-  "model": "registrasion.productitem",
-  "pk": 14,
-  "fields": {
-    "cart": 4,
-    "product": 1,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.productitem",
-  "pk": 15,
-  "fields": {
-    "cart": 4,
-    "product": 13,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.productitem",
-  "pk": 16,
-  "fields": {
-    "cart": 5,
-    "product": 14,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.productitem",
-  "pk": 17,
-  "fields": {
-    "cart": 5,
-    "product": 20,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.productitem",
-  "pk": 18,
-  "fields": {
-    "cart": 5,
-    "product": 23,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.productitem",
-  "pk": 19,
-  "fields": {
-    "cart": 6,
-    "product": 14,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.productitem",
-  "pk": 20,
-  "fields": {
-    "cart": 7,
-    "product": 13,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.discountitem",
-  "pk": 12,
-  "fields": {
-    "cart": 2,
-    "product": 1,
-    "discount": 2,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.discountitem",
-  "pk": 13,
-  "fields": {
-    "cart": 2,
-    "product": 14,
-    "discount": 5,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.discountitem",
-  "pk": 14,
-  "fields": {
-    "cart": 2,
-    "product": 22,
-    "discount": 5,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.discountitem",
-  "pk": 21,
-  "fields": {
-    "cart": 3,
-    "product": 1,
-    "discount": 2,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.discountitem",
-  "pk": 22,
-  "fields": {
-    "cart": 3,
-    "product": 14,
-    "discount": 5,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.discountitem",
-  "pk": 23,
-  "fields": {
-    "cart": 3,
-    "product": 22,
-    "discount": 5,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.discountitem",
-  "pk": 26,
-  "fields": {
-    "cart": 4,
-    "product": 1,
-    "discount": 2,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.discountitem",
-  "pk": 29,
-  "fields": {
-    "cart": 5,
-    "product": 14,
-    "discount": 5,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.discountitem",
-  "pk": 30,
-  "fields": {
-    "cart": 5,
-    "product": 23,
-    "discount": 5,
-    "quantity": 1
-  }
-},
-{
-  "model": "registrasion.invoice",
-  "pk": 1,
-  "fields": {
-    "user": 1,
-    "cart": 2,
-    "cart_revision": 10,
-    "status": 3,
-    "recipient": "asdasd\n\u00c5land Islands",
-    "issue_time": "2018-09-29T01:52:02.751Z",
-    "due_time": "2018-09-30T01:50:55.910Z",
-    "value": "1799.00"
-  }
-},
-{
-  "model": "registrasion.invoice",
-  "pk": 2,
-  "fields": {
-    "user": 1,
-    "cart": 3,
-    "cart_revision": 6,
-    "status": 3,
-    "recipient": "asdasd\n\u00c5land Islands",
-    "issue_time": "2018-09-29T02:41:53.211Z",
-    "due_time": "2018-09-30T02:41:48.517Z",
-    "value": "3454.00"
-  }
-},
-{
-  "model": "registrasion.invoice",
-  "pk": 3,
-  "fields": {
-    "user": 1,
-    "cart": 4,
-    "cart_revision": 4,
-    "status": 3,
-    "recipient": "asdasd\n\u00c5land Islands",
-    "issue_time": "2018-09-29T03:46:06.794Z",
-    "due_time": "2018-09-30T03:36:22.660Z",
-    "value": "1799.00"
-  }
-},
-{
-  "model": "registrasion.invoice",
-  "pk": 4,
-  "fields": {
-    "user": 1,
-    "cart": 5,
-    "cart_revision": 4,
-    "status": 4,
-    "recipient": "asdasd\n\u00c5land Islands",
-    "issue_time": "2018-09-29T03:47:10.317Z",
-    "due_time": "2018-09-29T04:47:01.386Z",
-    "value": "0.00"
-  }
-},
-{
-  "model": "registrasion.invoice",
-  "pk": 5,
-  "fields": {
-    "user": 1,
-    "cart": 6,
-    "cart_revision": 2,
-    "status": 3,
-    "recipient": "asdasd\n\u00c5land Islands",
-    "issue_time": "2018-09-29T04:25:22.502Z",
-    "due_time": "2018-09-29T05:05:00.595Z",
-    "value": "95.00"
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 1,
-  "fields": {
-    "invoice": 1,
-    "description": "Ticket - Fairy Penguin Sponsor",
-    "quantity": 1,
-    "price": "1999.00",
-    "product": 1
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 2,
-  "fields": {
-    "invoice": 1,
-    "description": "Terms, Conditions, and Code of Conduct Acceptance - I Accept",
-    "quantity": 1,
-    "price": "0.00",
-    "product": 13
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 3,
-  "fields": {
-    "invoice": 1,
-    "description": "Penguin Dinner Ticket - Adult",
-    "quantity": 1,
-    "price": "95.00",
-    "product": 14
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 4,
-  "fields": {
-    "invoice": 1,
-    "description": "Professional Delegates Networking Session Ticket - Conference Attendee",
-    "quantity": 1,
-    "price": "0.00",
-    "product": 20
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 5,
-  "fields": {
-    "invoice": 1,
-    "description": "Shirt - Men's/Straight Cut S",
-    "quantity": 1,
-    "price": "25.00",
-    "product": 22
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 6,
-  "fields": {
-    "invoice": 1,
-    "description": "Early Bird Discount - Professional (Ticket - Fairy Penguin Sponsor)",
-    "quantity": 1,
-    "price": "-200.00",
-    "product": 1
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 7,
-  "fields": {
-    "invoice": 1,
-    "description": "Complimentary for ticket holder (Professional-level) (Penguin Dinner Ticket - Adult)",
-    "quantity": 1,
-    "price": "-95.00",
-    "product": 14
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 8,
-  "fields": {
-    "invoice": 1,
-    "description": "Complimentary for ticket holder (Professional-level) (Shirt - Men's/Straight Cut S)",
-    "quantity": 1,
-    "price": "-25.00",
-    "product": 22
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 9,
-  "fields": {
-    "invoice": 2,
-    "description": "Ticket - Fairy Penguin Sponsor",
-    "quantity": 1,
-    "price": "1999.00",
-    "product": 1
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 10,
-  "fields": {
-    "invoice": 2,
-    "description": "Terms, Conditions, and Code of Conduct Acceptance - I Accept",
-    "quantity": 1,
-    "price": "0.00",
-    "product": 13
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 11,
-  "fields": {
-    "invoice": 2,
-    "description": "Penguin Dinner Ticket - Adult",
-    "quantity": 5,
-    "price": "95.00",
-    "product": 14
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 12,
-  "fields": {
-    "invoice": 2,
-    "description": "Professional Delegates Networking Session Ticket - Conference Attendee",
-    "quantity": 1,
-    "price": "0.00",
-    "product": 20
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 13,
-  "fields": {
-    "invoice": 2,
-    "description": "Shirt - Men's/Straight Cut S",
-    "quantity": 52,
-    "price": "25.00",
-    "product": 22
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 14,
-  "fields": {
-    "invoice": 2,
-    "description": "Early Bird Discount - Professional (Ticket - Fairy Penguin Sponsor)",
-    "quantity": 1,
-    "price": "-200.00",
-    "product": 1
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 15,
-  "fields": {
-    "invoice": 2,
-    "description": "Complimentary for ticket holder (Professional-level) (Penguin Dinner Ticket - Adult)",
-    "quantity": 1,
-    "price": "-95.00",
-    "product": 14
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 16,
-  "fields": {
-    "invoice": 2,
-    "description": "Complimentary for ticket holder (Professional-level) (Shirt - Men's/Straight Cut S)",
-    "quantity": 1,
-    "price": "-25.00",
-    "product": 22
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 17,
-  "fields": {
-    "invoice": 3,
-    "description": "Ticket - Fairy Penguin Sponsor",
-    "quantity": 1,
-    "price": "1999.00",
-    "product": 1
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 18,
-  "fields": {
-    "invoice": 3,
-    "description": "Terms, Conditions, and Code of Conduct Acceptance - I Accept",
-    "quantity": 1,
-    "price": "0.00",
-    "product": 13
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 19,
-  "fields": {
-    "invoice": 3,
-    "description": "Early Bird Discount - Professional (Ticket - Fairy Penguin Sponsor)",
-    "quantity": 1,
-    "price": "-200.00",
-    "product": 1
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 20,
-  "fields": {
-    "invoice": 4,
-    "description": "Penguin Dinner Ticket - Adult",
-    "quantity": 1,
-    "price": "95.00",
-    "product": 14
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 21,
-  "fields": {
-    "invoice": 4,
-    "description": "Professional Delegates Networking Session Ticket - Conference Attendee",
-    "quantity": 1,
-    "price": "0.00",
-    "product": 20
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 22,
-  "fields": {
-    "invoice": 4,
-    "description": "Shirt - Men's/Straight Cut M",
-    "quantity": 1,
-    "price": "25.00",
-    "product": 23
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 23,
-  "fields": {
-    "invoice": 4,
-    "description": "Complimentary for ticket holder (Professional-level) (Penguin Dinner Ticket - Adult)",
-    "quantity": 1,
-    "price": "-95.00",
-    "product": 14
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 24,
-  "fields": {
-    "invoice": 4,
-    "description": "Complimentary for ticket holder (Professional-level) (Shirt - Men's/Straight Cut M)",
-    "quantity": 1,
-    "price": "-25.00",
-    "product": 23
-  }
-},
-{
-  "model": "registrasion.lineitem",
-  "pk": 25,
-  "fields": {
-    "invoice": 5,
-    "description": "Penguin Dinner Ticket - Adult",
-    "quantity": 1,
-    "price": "95.00",
-    "product": 14
-  }
-},
-{
-  "model": "registrasion.paymentbase",
-  "pk": 1,
-  "fields": {
-    "invoice": 1,
-    "time": "2018-09-29T02:30:19.773Z",
-    "reference": "Paid with Stripe reference: ch_1DFYDlKfy2vJUfZyQY38DOcS",
-    "amount": "1799.00"
-  }
-},
-{
-  "model": "registrasion.paymentbase",
-  "pk": 2,
-  "fields": {
-    "invoice": 1,
-    "time": "2018-09-29T02:30:30.621Z",
-    "reference": "Generated credit note 2",
-    "amount": "-1799.00"
-  }
-},
-{
-  "model": "registrasion.paymentbase",
-  "pk": 3,
-  "fields": {
-    "invoice": 2,
-    "time": "2018-09-29T02:41:54.023Z",
-    "reference": "Applied credit note #2",
-    "amount": "1799.00"
-  }
-},
-{
-  "model": "registrasion.paymentbase",
-  "pk": 4,
-  "fields": {
-    "invoice": 2,
-    "time": "2018-09-29T03:13:18.403Z",
-    "reference": "TS-123",
-    "amount": "10.00"
-  }
-},
-{
-  "model": "registrasion.paymentbase",
-  "pk": 5,
-  "fields": {
-    "invoice": 2,
-    "time": "2018-09-29T03:23:37.215Z",
-    "reference": "Paid with Stripe reference: ch_1DFZ3KKfy2vJUfZypTUGgNr2",
-    "amount": "1645.00"
-  }
-},
-{
-  "model": "registrasion.paymentbase",
-  "pk": 6,
-  "fields": {
-    "invoice": 2,
-    "time": "2018-09-29T03:28:35.474Z",
-    "reference": "TS-123",
-    "amount": "-100.00"
-  }
-},
-{
-  "model": "registrasion.paymentbase",
-  "pk": 7,
-  "fields": {
-    "invoice": 2,
-    "time": "2018-09-29T03:28:35.544Z",
-    "reference": "Generated credit note 7",
-    "amount": "-3354.00"
-  }
-},
-{
-  "model": "registrasion.paymentbase",
-  "pk": 8,
-  "fields": {
-    "invoice": 3,
-    "time": "2018-09-29T03:46:07.578Z",
-    "reference": "Applied credit note #7",
-    "amount": "3354.00"
-  }
-},
-{
-  "model": "registrasion.paymentbase",
-  "pk": 9,
-  "fields": {
-    "invoice": 3,
-    "time": "2018-09-29T03:46:07.627Z",
-    "reference": "Generated credit note 9",
-    "amount": "-1555.00"
-  }
-},
-{
-  "model": "registrasion.paymentbase",
-  "pk": 10,
-  "fields": {
-    "invoice": 5,
-    "time": "2018-09-29T04:25:23.304Z",
-    "reference": "Applied credit note #9",
-    "amount": "1555.00"
-  }
-},
-{
-  "model": "registrasion.paymentbase",
-  "pk": 11,
-  "fields": {
-    "invoice": 5,
-    "time": "2018-09-29T04:25:23.371Z",
-    "reference": "Generated credit note 11",
-    "amount": "-1460.00"
-  }
-},
-{
-  "model": "registrasion.paymentbase",
-  "pk": 12,
-  "fields": {
-    "invoice": 5,
-    "time": "2018-09-29T04:25:27.003Z",
-    "reference": "Generated credit note 12",
-    "amount": "-95.00"
-  }
-},
-{
-  "model": "registrasion.paymentbase",
-  "pk": 13,
-  "fields": {
-    "invoice": 3,
-    "time": "2018-09-29T04:25:42.978Z",
-    "reference": "Generated credit note 13",
-    "amount": "-1799.00"
-  }
-},
-{
-  "model": "registrasion.manualpayment",
-  "pk": 4,
-  "fields": {
-    "entered_by": 1
-  }
-},
-{
-  "model": "registrasion.manualpayment",
-  "pk": 6,
-  "fields": {
-    "entered_by": 1
-  }
-},
-{
-  "model": "registrasion.creditnote",
-  "pk": 2,
-  "fields": {}
-},
-{
-  "model": "registrasion.creditnote",
-  "pk": 7,
-  "fields": {}
-},
-{
-  "model": "registrasion.creditnote",
-  "pk": 9,
-  "fields": {}
-},
-{
-  "model": "registrasion.creditnote",
-  "pk": 11,
-  "fields": {}
-},
-{
-  "model": "registrasion.creditnote",
-  "pk": 12,
-  "fields": {}
-},
-{
-  "model": "registrasion.creditnote",
-  "pk": 13,
-  "fields": {}
-},
-{
-  "model": "registrasion.creditnoteapplication",
-  "pk": 3,
-  "fields": {
-    "parent": 2
-  }
-},
-{
-  "model": "registrasion.creditnoteapplication",
-  "pk": 8,
-  "fields": {
-    "parent": 7
-  }
-},
-{
-  "model": "registrasion.creditnoteapplication",
-  "pk": 10,
-  "fields": {
-    "parent": 9
-  }
-},
-{
-  "model": "registrasion.attendee",
-  "pk": 1,
-  "fields": {
-    "user": 1,
-    "access_code": "NC4DBG",
-    "completed_registration": true,
-    "guided_categories_complete": []
-  }
-},
-{
-  "model": "registrasion.attendeeprofilebase",
-  "pk": 1,
-  "fields": {
-    "attendee": 1
-  }
 }
 ]