diff --git a/cmd/internal/scdiff/app/format/format.go b/cmd/internal/scdiff/app/format/format.go
index 34067b24..87646063 100644
--- a/cmd/internal/scdiff/app/format/format.go
+++ b/cmd/internal/scdiff/app/format/format.go
@@ -56,7 +56,7 @@ func JSON(r *pkg.ScorecardResult, w io.Writer) error {
 		return err
 	}
 	Normalize(r)
-	o := pkg.AsJSON2ResultOption{
+	o := &pkg.AsJSON2ResultOption{
 		Details:  details,
 		LogLevel: logLevel,
 	}
diff --git a/pkg/json.go b/pkg/json.go
index 75539f36..d86ed3b4 100644
--- a/pkg/json.go
+++ b/pkg/json.go
@@ -129,9 +129,14 @@ func (r *ScorecardResult) AsJSON(showDetails bool, logLevel log.Level, writer io
 }
 
 // AsJSON2 exports results as JSON for new detail format.
-func (r *ScorecardResult) AsJSON2(writer io.Writer,
-	checkDocs docs.Doc, o AsJSON2ResultOption,
-) error {
+func (r *ScorecardResult) AsJSON2(writer io.Writer, checkDocs docs.Doc, opt *AsJSON2ResultOption) error {
+	if opt == nil {
+		opt = &AsJSON2ResultOption{
+			LogLevel:    log.DefaultLevel,
+			Details:     false,
+			Annotations: false,
+		}
+	}
 	score, err := r.GetAggregateScore(checkDocs)
 	if err != nil {
 		return err
@@ -170,17 +175,17 @@ func (r *ScorecardResult) AsJSON2(writer io.Writer,
 			Reason: checkResult.Reason,
 			Score:  checkResult.Score,
 		}
-		if o.Details {
+		if opt.Details {
 			for i := range checkResult.Details {
 				d := checkResult.Details[i]
-				m := DetailToString(&d, o.LogLevel)
+				m := DetailToString(&d, opt.LogLevel)
 				if m == "" {
 					continue
 				}
 				tmpResult.Details = append(tmpResult.Details, m)
 			}
 		}
-		if o.Annotations {
+		if opt.Annotations {
 			exempted, reasons := checkResult.IsExempted(r.Config)
 			if exempted {
 				tmpResult.Annotations = reasons
@@ -243,9 +248,3 @@ func ExperimentalFromJSON2(r io.Reader) (result ScorecardResult, score float64,
 
 	return sr, float64(jsr.AggregateScore), nil
 }
-
-func (r *ScorecardResult) AsFJSON(showDetails bool,
-	logLevel log.Level, checkDocs docs.Doc, writer io.Writer,
-) error {
-	return sce.WithMessage(sce.ErrScorecardInternal, "WIP: not supported")
-}
diff --git a/pkg/json_test.go b/pkg/json_test.go
index 759df15a..f5439269 100644
--- a/pkg/json_test.go
+++ b/pkg/json_test.go
@@ -499,7 +499,7 @@ func TestJSONOutput(t *testing.T) {
 			}
 
 			var result bytes.Buffer
-			o := AsJSON2ResultOption{
+			o := &AsJSON2ResultOption{
 				Details:     tt.showDetails,
 				LogLevel:    tt.logLevel,
 				Annotations: tt.showAnnotations,
diff --git a/pkg/scorecard_result.go b/pkg/scorecard_result.go
index 27e9f040..3cf90f54 100644
--- a/pkg/scorecard_result.go
+++ b/pkg/scorecard_result.go
@@ -140,7 +140,7 @@ func FormatResults(
 
 	switch opts.Format {
 	case options.FormatDefault:
-		o := AsStringResultOption{
+		o := &AsStringResultOption{
 			Details:     opts.ShowDetails,
 			Annotations: opts.ShowAnnotations,
 			LogLevel:    log.ParseLevel(opts.LogLevel),
@@ -150,7 +150,7 @@ func FormatResults(
 		// TODO: support config files and update checker.MaxResultScore.
 		err = results.AsSARIF(opts.ShowDetails, log.ParseLevel(opts.LogLevel), output, doc, policy, opts)
 	case options.FormatJSON:
-		o := AsJSON2ResultOption{
+		o := &AsJSON2ResultOption{
 			Details:     opts.ShowDetails,
 			Annotations: opts.ShowAnnotations,
 			LogLevel:    log.ParseLevel(opts.LogLevel),
@@ -179,9 +179,15 @@ func FormatResults(
 }
 
 // AsString returns ScorecardResult in string format.
-func (r *ScorecardResult) AsString(writer io.Writer,
-	checkDocs docChecks.Doc, o AsStringResultOption,
-) error {
+func (r *ScorecardResult) AsString(writer io.Writer, checkDocs docChecks.Doc, opt *AsStringResultOption) error {
+	if opt == nil {
+		opt = &AsStringResultOption{
+			LogLevel:    log.DefaultLevel,
+			Details:     false,
+			Annotations: false,
+		}
+	}
+
 	data := make([][]string, len(r.Checks))
 
 	for i, row := range r.Checks {
@@ -201,14 +207,14 @@ func (r *ScorecardResult) AsString(writer io.Writer,
 
 		doc := cdoc.GetDocumentationURL(r.Scorecard.CommitSHA)
 		x = append(x, row.Name, row.Reason)
-		if o.Details {
-			details, show := detailsToString(row.Details, o.LogLevel)
+		if opt.Details {
+			details, show := detailsToString(row.Details, opt.LogLevel)
 			if show {
 				x = append(x, details)
 			}
 		}
 		x = append(x, doc)
-		if o.Annotations {
+		if opt.Annotations {
 			_, reasons := row.IsExempted(r.Config)
 			x = append(x, strings.Join(reasons, "\n"))
 		}
@@ -228,11 +234,11 @@ func (r *ScorecardResult) AsString(writer io.Writer,
 
 	table := tablewriter.NewWriter(writer)
 	header := []string{"Score", "Name", "Reason"}
-	if o.Details {
+	if opt.Details {
 		header = append(header, "Details")
 	}
 	header = append(header, "Documentation/Remediation")
-	if o.Annotations {
+	if opt.Annotations {
 		header = append(header, "Annotation")
 	}
 	table.SetHeader(header)