diff --git a/impression.go b/impression.go
index c0d1c66..8e1747f 100644
--- a/impression.go
+++ b/impression.go
@@ -26,7 +26,7 @@ type Impression struct {
 	DisplayManager    string         `json:"displaymanager,omitempty"`    // Name of ad mediation partner, SDK technology, etc
 	DisplayManagerVer string         `json:"displaymanagerver,omitempty"` // Version of the above
 	Clickbrowser      int            `json:"clickbrowser"`                // Indicates the type of browser opened upon clicking the creative in an app, where 0 = embedded, 1 = native
-	Instl             int            `json:"instl,omitempty"`             // Interstitial, Default: 0 ("1": Interstitial, "0": Something else)
+	Instl             int            `json:"instl"`                       // Interstitial, Default: 0 ("1": Interstitial, "0": Something else)
 	TagID             string         `json:"tagid,omitempty"`             // IDentifier for specific ad placement or ad tag
 	BidFloor          float64        `json:"bidfloor,omitempty"`          // Bid floor for this impression in CPM
 	BidFloorCurrency  string         `json:"bidfloorcur,omitempty"`       // Currency of bid floor
diff --git a/openrtb.go b/openrtb.go
index ed67aac..53032de 100644
--- a/openrtb.go
+++ b/openrtb.go
@@ -774,7 +774,7 @@ type UID struct {
 // regulations for the United States Children's Online Privacy Protection Act ("COPPA").
 type Regulations struct {
 	Coppa     int          `json:"coppa,omitempty"`      // Flag indicating if this request is subject to the COPPA regulations established by the USA FTC, where 0 = no, 1 = yes.
-	GDPR      int          `json:"gdpr,omitempty"`       // Flag that indicates whether or not the request is subject to GDPR regulations 0 = No, 1 = Yes, omission indicates Unknown.
+	GDPR      *int         `json:"gdpr,omitempty"`       // Flag that indicates whether the request is subject to GDPR regulations 0 = No, 1 = Yes, omission indicates Unknown.
 	USPrivacy string       `json:"us_privacy,omitempty"` // Communicates signals regarding consumer privacy under US privacy regulation.
 	Ext       RegExtension `json:"ext,omitempty"`
 }