diff --git a/src/lib/es2020.intl.d.ts b/src/lib/es2020.intl.d.ts
index 92e353b913f6a..2ab4531283a77 100644
--- a/src/lib/es2020.intl.d.ts
+++ b/src/lib/es2020.intl.d.ts
@@ -203,6 +203,8 @@ declare namespace Intl {
         signDisplay?: "auto" | "never" | "always" | "exceptZero" | undefined;
         unit?: string | undefined;
         unitDisplay?: "short" | "long" | "narrow" | undefined;
+        currencyDisplay?: string | undefined;
+        currencySign?: string | undefined;
     }
 
     interface ResolvedNumberFormatOptions {
@@ -211,6 +213,8 @@ declare namespace Intl {
         signDisplay?: "auto" | "never" | "always" | "exceptZero";
         unit?: string;
         unitDisplay?: "short" | "long" | "narrow";
+        currencyDisplay?: string;
+        currencySign?: string;
     }
 
     interface DateTimeFormatOptions {
diff --git a/src/lib/es5.d.ts b/src/lib/es5.d.ts
index 4e17715a993bf..1cd4cdd7412d2 100644
--- a/src/lib/es5.d.ts
+++ b/src/lib/es5.d.ts
@@ -4355,7 +4355,6 @@ declare namespace Intl {
         localeMatcher?: string | undefined;
         style?: string | undefined;
         currency?: string | undefined;
-        currencyDisplay?: string | undefined;
         currencySign?: string | undefined;
         useGrouping?: boolean | undefined;
         minimumIntegerDigits?: number | undefined;
@@ -4370,7 +4369,6 @@ declare namespace Intl {
         numberingSystem: string;
         style: string;
         currency?: string;
-        currencyDisplay?: string;
         minimumIntegerDigits: number;
         minimumFractionDigits: number;
         maximumFractionDigits: number;
diff --git a/tests/baselines/reference/numberFormatCurrencySign.js b/tests/baselines/reference/numberFormatCurrencySign.js
index 9f2482e2bffdc..d4d844d6b7f9b 100644
--- a/tests/baselines/reference/numberFormatCurrencySign.js
+++ b/tests/baselines/reference/numberFormatCurrencySign.js
@@ -3,4 +3,5 @@ const str = new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD',
 
 
 //// [numberFormatCurrencySign.js]
-var str = new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).format(999999);
+"use strict";
+const str = new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).format(999999);
diff --git a/tests/baselines/reference/numberFormatCurrencySign.symbols b/tests/baselines/reference/numberFormatCurrencySign.symbols
index 3252448682c91..2049480e3c18a 100644
--- a/tests/baselines/reference/numberFormatCurrencySign.symbols
+++ b/tests/baselines/reference/numberFormatCurrencySign.symbols
@@ -1,12 +1,12 @@
-=== tests/cases/compiler/numberFormatCurrencySign.ts ===
+=== tests/cases/conformance/es2020/numberFormatCurrencySign.ts ===
 const str = new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).format(999999);
 >str : Symbol(str, Decl(numberFormatCurrencySign.ts, 0, 5))
->new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).format : Symbol(Intl.NumberFormat.format, Decl(lib.es5.d.ts, --, --))
->Intl.NumberFormat : Symbol(Intl.NumberFormat, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
->Intl : Symbol(Intl, Decl(lib.es5.d.ts, --, --))
->NumberFormat : Symbol(Intl.NumberFormat, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
+>new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).format : Symbol(Intl.NumberFormat.format, Decl(lib.es5.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
+>Intl.NumberFormat : Symbol(Intl.NumberFormat, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2018.intl.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2021.intl.d.ts, --, --))
+>Intl : Symbol(Intl, Decl(lib.es5.d.ts, --, --), Decl(lib.es2017.intl.d.ts, --, --), Decl(lib.es2018.intl.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.intl.d.ts, --, --) ... and 2 more)
+>NumberFormat : Symbol(Intl.NumberFormat, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2018.intl.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2021.intl.d.ts, --, --))
 >style : Symbol(style, Decl(numberFormatCurrencySign.ts, 0, 44))
 >currency : Symbol(currency, Decl(numberFormatCurrencySign.ts, 0, 63))
 >currencySign : Symbol(currencySign, Decl(numberFormatCurrencySign.ts, 0, 80))
->format : Symbol(Intl.NumberFormat.format, Decl(lib.es5.d.ts, --, --))
+>format : Symbol(Intl.NumberFormat.format, Decl(lib.es5.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
 
diff --git a/tests/baselines/reference/numberFormatCurrencySign.types b/tests/baselines/reference/numberFormatCurrencySign.types
index 343951cb8e943..7b88d597715a9 100644
--- a/tests/baselines/reference/numberFormatCurrencySign.types
+++ b/tests/baselines/reference/numberFormatCurrencySign.types
@@ -1,12 +1,12 @@
-=== tests/cases/compiler/numberFormatCurrencySign.ts ===
+=== tests/cases/conformance/es2020/numberFormatCurrencySign.ts ===
 const str = new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).format(999999);
 >str : string
 >new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).format(999999) : string
->new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).format : (value: number) => string
+>new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).format : { (value: number): string; (value: number | bigint): string; }
 >new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }) : Intl.NumberFormat
->Intl.NumberFormat : { (locales?: string | string[], options?: Intl.NumberFormatOptions): Intl.NumberFormat; new (locales?: string | string[], options?: Intl.NumberFormatOptions): Intl.NumberFormat; supportedLocalesOf(locales: string | string[], options?: Intl.NumberFormatOptions): string[]; }
+>Intl.NumberFormat : { (locales?: string | string[] | undefined, options?: Intl.NumberFormatOptions | undefined): Intl.NumberFormat; new (locales?: string | string[] | undefined, options?: Intl.NumberFormatOptions | undefined): Intl.NumberFormat; supportedLocalesOf(locales: string | string[], options?: Intl.NumberFormatOptions | undefined): string[]; }
 >Intl : typeof Intl
->NumberFormat : { (locales?: string | string[], options?: Intl.NumberFormatOptions): Intl.NumberFormat; new (locales?: string | string[], options?: Intl.NumberFormatOptions): Intl.NumberFormat; supportedLocalesOf(locales: string | string[], options?: Intl.NumberFormatOptions): string[]; }
+>NumberFormat : { (locales?: string | string[] | undefined, options?: Intl.NumberFormatOptions | undefined): Intl.NumberFormat; new (locales?: string | string[] | undefined, options?: Intl.NumberFormatOptions | undefined): Intl.NumberFormat; supportedLocalesOf(locales: string | string[], options?: Intl.NumberFormatOptions | undefined): string[]; }
 >'en-NZ' : "en-NZ"
 >{ style: 'currency', currency: 'NZD', currencySign: 'accounting' } : { style: string; currency: string; currencySign: string; }
 >style : string
@@ -15,6 +15,6 @@ const str = new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD',
 >'NZD' : "NZD"
 >currencySign : string
 >'accounting' : "accounting"
->format : (value: number) => string
+>format : { (value: number): string; (value: number | bigint): string; }
 >999999 : 999999
 
diff --git a/tests/baselines/reference/numberFormatCurrencySignResolved.js b/tests/baselines/reference/numberFormatCurrencySignResolved.js
new file mode 100644
index 0000000000000..1a225275a3c02
--- /dev/null
+++ b/tests/baselines/reference/numberFormatCurrencySignResolved.js
@@ -0,0 +1,9 @@
+//// [numberFormatCurrencySignResolved.ts]
+const options = new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).resolvedOptions();
+const currencySign = options.currencySign;
+
+
+//// [numberFormatCurrencySignResolved.js]
+"use strict";
+const options = new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).resolvedOptions();
+const currencySign = options.currencySign;
diff --git a/tests/baselines/reference/numberFormatCurrencySignResolved.symbols b/tests/baselines/reference/numberFormatCurrencySignResolved.symbols
new file mode 100644
index 0000000000000..d73d3d91dc52f
--- /dev/null
+++ b/tests/baselines/reference/numberFormatCurrencySignResolved.symbols
@@ -0,0 +1,18 @@
+=== tests/cases/conformance/es2020/numberFormatCurrencySignResolved.ts ===
+const options = new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).resolvedOptions();
+>options : Symbol(options, Decl(numberFormatCurrencySignResolved.ts, 0, 5))
+>new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).resolvedOptions : Symbol(Intl.NumberFormat.resolvedOptions, Decl(lib.es5.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
+>Intl.NumberFormat : Symbol(Intl.NumberFormat, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2018.intl.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2021.intl.d.ts, --, --))
+>Intl : Symbol(Intl, Decl(lib.es5.d.ts, --, --), Decl(lib.es2017.intl.d.ts, --, --), Decl(lib.es2018.intl.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.intl.d.ts, --, --) ... and 2 more)
+>NumberFormat : Symbol(Intl.NumberFormat, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2018.intl.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2021.intl.d.ts, --, --))
+>style : Symbol(style, Decl(numberFormatCurrencySignResolved.ts, 0, 48))
+>currency : Symbol(currency, Decl(numberFormatCurrencySignResolved.ts, 0, 67))
+>currencySign : Symbol(currencySign, Decl(numberFormatCurrencySignResolved.ts, 0, 84))
+>resolvedOptions : Symbol(Intl.NumberFormat.resolvedOptions, Decl(lib.es5.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
+
+const currencySign = options.currencySign;
+>currencySign : Symbol(currencySign, Decl(numberFormatCurrencySignResolved.ts, 1, 5))
+>options.currencySign : Symbol(Intl.ResolvedNumberFormatOptions.currencySign, Decl(lib.es2020.intl.d.ts, --, --))
+>options : Symbol(options, Decl(numberFormatCurrencySignResolved.ts, 0, 5))
+>currencySign : Symbol(Intl.ResolvedNumberFormatOptions.currencySign, Decl(lib.es2020.intl.d.ts, --, --))
+
diff --git a/tests/baselines/reference/numberFormatCurrencySignResolved.types b/tests/baselines/reference/numberFormatCurrencySignResolved.types
new file mode 100644
index 0000000000000..b777f8949689f
--- /dev/null
+++ b/tests/baselines/reference/numberFormatCurrencySignResolved.types
@@ -0,0 +1,25 @@
+=== tests/cases/conformance/es2020/numberFormatCurrencySignResolved.ts ===
+const options = new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).resolvedOptions();
+>options : Intl.ResolvedNumberFormatOptions
+>new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).resolvedOptions() : Intl.ResolvedNumberFormatOptions
+>new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).resolvedOptions : { (): Intl.ResolvedNumberFormatOptions; (): Intl.ResolvedNumberFormatOptions; }
+>new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }) : Intl.NumberFormat
+>Intl.NumberFormat : { (locales?: string | string[] | undefined, options?: Intl.NumberFormatOptions | undefined): Intl.NumberFormat; new (locales?: string | string[] | undefined, options?: Intl.NumberFormatOptions | undefined): Intl.NumberFormat; supportedLocalesOf(locales: string | string[], options?: Intl.NumberFormatOptions | undefined): string[]; }
+>Intl : typeof Intl
+>NumberFormat : { (locales?: string | string[] | undefined, options?: Intl.NumberFormatOptions | undefined): Intl.NumberFormat; new (locales?: string | string[] | undefined, options?: Intl.NumberFormatOptions | undefined): Intl.NumberFormat; supportedLocalesOf(locales: string | string[], options?: Intl.NumberFormatOptions | undefined): string[]; }
+>'en-NZ' : "en-NZ"
+>{ style: 'currency', currency: 'NZD', currencySign: 'accounting' } : { style: string; currency: string; currencySign: string; }
+>style : string
+>'currency' : "currency"
+>currency : string
+>'NZD' : "NZD"
+>currencySign : string
+>'accounting' : "accounting"
+>resolvedOptions : { (): Intl.ResolvedNumberFormatOptions; (): Intl.ResolvedNumberFormatOptions; }
+
+const currencySign = options.currencySign;
+>currencySign : string | undefined
+>options.currencySign : string | undefined
+>options : Intl.ResolvedNumberFormatOptions
+>currencySign : string | undefined
+
diff --git a/tests/cases/compiler/numberFormatCurrencySign.ts b/tests/cases/conformance/es2020/numberFormatCurrencySign.ts
similarity index 70%
rename from tests/cases/compiler/numberFormatCurrencySign.ts
rename to tests/cases/conformance/es2020/numberFormatCurrencySign.ts
index ee70de4a9b7ec..b7b451150d09d 100644
--- a/tests/cases/compiler/numberFormatCurrencySign.ts
+++ b/tests/cases/conformance/es2020/numberFormatCurrencySign.ts
@@ -1 +1,4 @@
+// @target: esnext
+// @lib: esnext
+// @strict: true
 const str = new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).format(999999);
diff --git a/tests/cases/conformance/es2020/numberFormatCurrencySignResolved.ts b/tests/cases/conformance/es2020/numberFormatCurrencySignResolved.ts
new file mode 100644
index 0000000000000..ce6c36fb19fe1
--- /dev/null
+++ b/tests/cases/conformance/es2020/numberFormatCurrencySignResolved.ts
@@ -0,0 +1,5 @@
+// @target: esnext
+// @lib: esnext
+// @strict: true
+const options = new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).resolvedOptions();
+const currencySign = options.currencySign;