diff --git a/payment.go b/payment.go
index 57c058e..90c2f1f 100644
--- a/payment.go
+++ b/payment.go
@@ -25,31 +25,32 @@ const (
 
 // Payment main data structure, holds requests and responses on that requests from RSP.
 type Payment struct {
-	token         string         `json:"-"` // Authtorisation token
-	apiLink       string         `json:"-"` // APILink sets payment gateway domain, no trailing slash
-	siteid        string         // Same as SiteID, but used for requests, as SiteID sets in responses
-	payid         string         // Same as BillID or PaymentID, but used only for requests, BillID sets in responses
-	PublicKey     string         `json:"-"`                       // Merchant identification key	String	+
-	SiteID        string         `json:"siteId,omitempty"`        // RSP site identifier
-	BillID        string         `json:"billId,omitempty"`        // Unique invoice identifier in merchant's system. It must be generated on your side with any means. It could be any sequence of digits and letters. Also you might use underscore _ and dash -. If not used, for each URL opening a new invoice is created. String(200)	-
-	PaymentID     string         `json:"paymentId,omitempty"`     // Payment operation unique identifier in RSP's system
-	CamptureID    string         `json:"captureId,omitempty"`     // Capture operation unique identifier in RSP's system
-	RefundID      string         `json:"refundId,omitempty"`      // Refund operation unique identifier in RSP's system
-	Amount        Amount         `json:"amount,omitempty"`        // Amount of customer order rounded down to 2 digits (always in rubles)
-	PaymentMethod *PaymentMethod `json:"paymentMethod,omitempty"` // Payment method
-	Customer      *Customer      `json:"customer,omitempty"`      // Information about the customer
-	Creation      *Time          `json:"creationDateTime,omitempty"`
-	NotifyDate    *Time          `json:"createddatetime,omitempty"` // Time used in Notify
-	Expiration    *Time          `json:"expirationDateTime,omitempty"`
-	Comment       string         `json:"comment,omitempty"`     // Comment to the invoice
-	CallbackURL   string         `json:"callbackUrl,omitempty"` // Callback URL used to receive notification
-	SuccessURL    string         `json:"successUrl,omitempty"`  // URL for redirect from the QIWI form in case of successful payment. URL should be within the merchant's site.
-	PayURL        string         `json:"payUrl,omitempty"`      // Payment page on QIWI site
-	Req           *Requirements  `json:"requirements,omitempty"`
-	CustomField   *CustomField   `json:"customFields,omitempty"`
-	Flags         []string       `json:"flags,omitempty"`
-	Status        *Status        `json:"status,omitempty"`
-	Splits        []*Split       `json:"splits,omitempty"` // https://developer.qiwi.com/en/payments/#payments_split
+	token         string          `json:"-"` // Authtorisation token
+	apiLink       string          `json:"-"` // APILink sets payment gateway domain, no trailing slash
+	siteid        string          // Same as SiteID, but used for requests, as SiteID sets in responses
+	payid         string          // Same as BillID or PaymentID, but used only for requests, BillID sets in responses
+	PublicKey     string          `json:"-"`                       // Merchant identification key	String	+
+	SiteID        string          `json:"siteId,omitempty"`        // RSP site identifier
+	BillID        string          `json:"billId,omitempty"`        // Unique invoice identifier in merchant's system. It must be generated on your side with any means. It could be any sequence of digits and letters. Also you might use underscore _ and dash -. If not used, for each URL opening a new invoice is created. String(200)	-
+	PaymentID     string          `json:"paymentId,omitempty"`     // Payment operation unique identifier in RSP's system
+	CamptureID    string          `json:"captureId,omitempty"`     // Capture operation unique identifier in RSP's system
+	RefundID      string          `json:"refundId,omitempty"`      // Refund operation unique identifier in RSP's system
+	Amount        Amount          `json:"amount,omitempty"`        // Amount of customer order rounded down to 2 digits (always in rubles)
+	PaymentMethod *PaymentMethod  `json:"paymentMethod,omitempty"` // Payment method
+	Customer      *Customer       `json:"customer,omitempty"`      // Information about the customer
+	Creation      *Time           `json:"creationDateTime,omitempty"`
+	NotifyDate    *Time           `json:"createddatetime,omitempty"` // Time used in Notify
+	Expiration    *Time           `json:"expirationDateTime,omitempty"`
+	Comment       string          `json:"comment,omitempty"`     // Comment to the invoice
+	CallbackURL   string          `json:"callbackUrl,omitempty"` // Callback URL used to receive notification
+	SuccessURL    string          `json:"successUrl,omitempty"`  // URL for redirect from the QIWI form in case of successful payment. URL should be within the merchant's site.
+	PayURL        string          `json:"payUrl,omitempty"`      // Payment page on QIWI site
+	Req           *Requirements   `json:"requirements,omitempty"`
+	CustomField   *CustomField    `json:"customFields,omitempty"`
+	Flags         []string        `json:"flags,omitempty"`
+	Status        *Status         `json:"status,omitempty"`
+	Splits        []*Split        `json:"splits,omitempty"` // https://developer.qiwi.com/en/payments/#payments_split
+	RefundSplits  []*RefundSplits `json:"refundSplits,omitempty"`
 
 	Error
 }
diff --git a/refund.go b/refund.go
new file mode 100644
index 0000000..a0ab3f8
--- /dev/null
+++ b/refund.go
@@ -0,0 +1,12 @@
+package qiwi
+
+type RefundSplits struct {
+	Split
+	Commission *RefundSplitCommission `json:"splitCommissions,omitempty"`
+}
+
+// RefundSplitCommission contains commission information
+type RefundSplitCommission struct {
+	Amount  *Amount `json:"merchantCms,omitempty"`
+	UserCms string  `json:"userCms,omitempty"`
+}
diff --git a/split.go b/split.go
index 0362e9c..b0cdb42 100644
--- a/split.go
+++ b/split.go
@@ -12,7 +12,7 @@ type Split struct {
 	Comment string        `json:"comment,omitempty"` // string comment	String	Comment for the order (optional)
 }
 
-// AddSplit without optional fields, see SplitExtra.
+// Split without optional fields, see SplitExtra.
 func (p *Payment) Split(a Amount, merchid string) *Payment {
 	return p.SplitExtra(a, merchid, "", "")
 }