diff --git a/configs/config.default.yml b/configs/config.default.yml
index 07034fbf..5ec509a6 100644
--- a/configs/config.default.yml
+++ b/configs/config.default.yml
@@ -12,3 +12,4 @@ ACHWebViewer:
     HelpfulLinks:
       Corrections: "https://moov-io.github.io/ach/changes/"
       Returns: "https://moov-io.github.io/ach/returns/"
+    AllowMissingBatchHeader: true
diff --git a/pkg/filelist/achgateway.go b/pkg/filelist/achgateway.go
index 070644d8..9c6f7eca 100644
--- a/pkg/filelist/achgateway.go
+++ b/pkg/filelist/achgateway.go
@@ -10,7 +10,6 @@ import (
 	"path/filepath"
 	"time"
 
-	"github.com/moov-io/ach"
 	"github.com/moov-io/ach-web-viewer/pkg/service"
 )
 
@@ -96,7 +95,7 @@ func (a *achgatewayLister) getFiles(shard string) ([]File, error) {
 	return out, nil
 }
 
-func (a *achgatewayLister) GetFile(path string) (*File, error) {
+func (a *achgatewayLister) GetFile(path string, cfg service.DisplayConfig) (*File, error) {
 	req, err := http.NewRequest("GET", a.endpoint+"/"+path, nil)
 	if err != nil {
 		return nil, err
@@ -124,7 +123,7 @@ func (a *achgatewayLister) GetFile(path string) (*File, error) {
 		return nil, err
 	}
 
-	file, err := ach.NewReader(bytes.NewReader(contents)).Read()
+	file, err := readFile(bytes.NewReader(contents), cfg)
 	if err != nil {
 		return nil, err
 	}
@@ -132,7 +131,7 @@ func (a *achgatewayLister) GetFile(path string) (*File, error) {
 	return &File{
 		Name:        wrapper.Filename,
 		StoragePath: dir,
-		Contents:    &file,
+		Contents:    file,
 		CreatedAt:   wrapper.ModTime,
 		Size:        int64(len(contents)),
 	}, nil
diff --git a/pkg/filelist/bucket.go b/pkg/filelist/bucket.go
index a7097308..65b06ac9 100644
--- a/pkg/filelist/bucket.go
+++ b/pkg/filelist/bucket.go
@@ -82,7 +82,7 @@ func (ls *bucketLister) GetFiles(opts ListOpts) (Files, error) {
 	return out, nil
 }
 
-func (ls *bucketLister) GetFile(path string) (*File, error) {
+func (ls *bucketLister) GetFile(path string, cfg service.DisplayConfig) (*File, error) {
 	rdr, err := ls.buck.NewReader(context.Background(), path, nil)
 	if err != nil {
 		return nil, err
@@ -97,7 +97,7 @@ func (ls *bucketLister) GetFile(path string) (*File, error) {
 
 	_, name := filepath.Split(path)
 
-	file, err := readFile(bytes.NewReader(bs))
+	file, err := readFile(bytes.NewReader(bs), cfg)
 
 	return &File{
 		Name:        name,
diff --git a/pkg/filelist/common.go b/pkg/filelist/common.go
index da5fd9ae..87f287be 100644
--- a/pkg/filelist/common.go
+++ b/pkg/filelist/common.go
@@ -5,12 +5,13 @@ import (
 	"strings"
 
 	"github.com/moov-io/ach"
+	"github.com/moov-io/ach-web-viewer/pkg/service"
 )
 
-func readFile(r io.Reader) (*ach.File, error) {
+func readFile(r io.Reader, cfg service.DisplayConfig) (*ach.File, error) {
 	reader := ach.NewReader(r)
 	reader.SetValidation(&ach.ValidateOpts{
-		AllowMissingBatchHeader: true,
+		AllowMissingBatchHeader: cfg.AllowMissingBatchHeader,
 	})
 	file, err := reader.Read()
 	if err != nil {
diff --git a/pkg/filelist/filesystem.go b/pkg/filelist/filesystem.go
index 7ddc444b..f9923a94 100644
--- a/pkg/filelist/filesystem.go
+++ b/pkg/filelist/filesystem.go
@@ -61,7 +61,7 @@ func (ls *filesystemLister) GetFiles(opts ListOpts) (Files, error) {
 	return out, nil
 }
 
-func (ls *filesystemLister) GetFile(path string) (*File, error) {
+func (ls *filesystemLister) GetFile(path string, cfg service.DisplayConfig) (*File, error) {
 	path = filepath.Clean(path)
 
 	if strings.Contains(path, "..") || strings.HasPrefix(path, "/") {
@@ -75,7 +75,7 @@ func (ls *filesystemLister) GetFile(path string) (*File, error) {
 
 	_, name := filepath.Split(fd.Name())
 
-	file, err := readFile(fd)
+	file, err := readFile(fd, cfg)
 
 	var stat fs.FileInfo
 	if fd != nil {
diff --git a/pkg/filelist/list.go b/pkg/filelist/list.go
index cd6db76a..be2df461 100644
--- a/pkg/filelist/list.go
+++ b/pkg/filelist/list.go
@@ -27,7 +27,7 @@ type File struct {
 type Lister interface {
 	SourceID() string
 
-	GetFile(path string) (*File, error)
+	GetFile(path string, cfg service.DisplayConfig) (*File, error)
 	GetFiles(opts ListOpts) (Files, error)
 }
 
@@ -71,10 +71,10 @@ func createLister(src service.Source) (Lister, error) {
 	return nil, fmt.Errorf("unknown source: %#v", src)
 }
 
-func (ls Listers) GetFile(sourceID, path string) (*File, error) {
+func (ls Listers) GetFile(sourceID, path string, cfg service.DisplayConfig) (*File, error) {
 	for i := range ls {
 		if ls[i].SourceID() == sourceID {
-			return ls[i].GetFile(path)
+			return ls[i].GetFile(path, cfg)
 		}
 	}
 	return nil, fmt.Errorf("%s not found for sourceID=%s", path, sourceID)
diff --git a/pkg/service/model_config.go b/pkg/service/model_config.go
index 80a9cbf8..4c05814a 100644
--- a/pkg/service/model_config.go
+++ b/pkg/service/model_config.go
@@ -37,9 +37,10 @@ type BindAddress struct {
 }
 
 type DisplayConfig struct {
-	Format       string // e.g. "human-readable"
-	Masking      MaskingConfig
-	HelpfulLinks HelpfulLinks
+	Format                  string // e.g. "human-readable"
+	Masking                 MaskingConfig
+	HelpfulLinks            HelpfulLinks
+	AllowMissingBatchHeader bool
 }
 
 type MaskingConfig struct {
diff --git a/pkg/web/web.go b/pkg/web/web.go
index e48debb1..1fd31992 100644
--- a/pkg/web/web.go
+++ b/pkg/web/web.go
@@ -158,7 +158,7 @@ func getFile(logger log.Logger, cfg service.DisplayConfig, listers filelist.List
 		sourceID := mux.Vars(r)["sourceID"]
 		fullPath := strings.TrimPrefix(r.URL.Path, fmt.Sprintf("%s/sources/%s/", basePath, sourceID))
 
-		file, err := listers.GetFile(sourceID, fullPath)
+		file, err := listers.GetFile(sourceID, fullPath, cfg)
 		if err != nil {
 			logger.Warn().Logf("ERROR: %v\n", err)
 			w.WriteHeader(http.StatusInternalServerError)