diff --git a/README.md b/README.md
index 4afbdf255..5a11c8ab5 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,7 @@ ACH is under active development but already in production for multiple companies
 | RCK      | Represented Check Entries             | [Link](test/ach-rck-read/main.go) | [Link](test/ach-rck-write/main.go) |
 | SHR      | Shared Network Entry                  | [Link](test/ach-shr-read/main.go) | [Link](test/ach-shr-write/main.go) |
 | TEL      | Telephone-Initiated Entry             | [Link](test/ach-tel-read/main.go) | [Link](test/ach-tel-write/main.go) |
+| TRC      | Truncated Check Entry                 | [Link](test/ach-trc-read/main.go) | [Link](test/ach-trc-write/main.go) |
 | WEB      | Internet-initiated Entries            | [Link](test/ach-web-read/main.go) | [Link](test/ach-web-write/main.go) |
 | XCK      | Destroyed Check Entry                 | [Link](test/ach-xck-read/main.go) | [Link](test/ach-xck-write/main.go) |
 
diff --git a/advEntryDetail.go b/advEntryDetail.go
index b4fd1689b..159ab17a6 100644
--- a/advEntryDetail.go
+++ b/advEntryDetail.go
@@ -88,6 +88,7 @@ func NewADVEntryDetail() *ADVEntryDetail {
 // Parse provides no guarantee about all fields being filled in. Callers should make a Validate() call to confirm
 // successful parsing and data validity.
 
+// Parse ADVEntryDetail
 func (ed *ADVEntryDetail) Parse(record string) {
 	if utf8.RuneCountInString(record) != 94 {
 		return
diff --git a/batch.go b/batch.go
index 1bdb47bbb..559d9f6db 100644
--- a/batch.go
+++ b/batch.go
@@ -79,12 +79,12 @@ func NewBatch(bh *BatchHeader) (Batcher, error) {
 	return nil, &FileError{FieldName: "StandardEntryClassCode", Value: bh.StandardEntryClassCode, Msg: msg}
 }
 
-// Create creates a batch
+// Create returns error for using an implementation of batch or NewBatch"
 func (batch *Batch) Create() error {
 	return errors.New("use an implementation of batch or NewBatch")
 }
 
-// Validate validates a batch
+// Validate returns an error for using an use an implementation of batch or NewBatch
 func (batch *Batch) Validate() error {
 	return errors.New("use an implementation of batch or NewBatch")
 }
@@ -309,17 +309,17 @@ func (batch *Batch) AddEntry(entry *EntryDetail) {
 	batch.Entries = append(batch.Entries, entry)
 }
 
-// GetADVEntries returns a slice of ADV entry details for the batch
-func (batch *Batch) GetADVEntries() []*ADVEntryDetail {
-	return batch.ADVEntries
-}
-
-// AddADVEntry appends an EntryDetailADV to the Batch
+// AddADVEntry appends an ADV EntryDetail to the Batch
 func (batch *Batch) AddADVEntry(entry *ADVEntryDetail) {
 	batch.category = entry.Category
 	batch.ADVEntries = append(batch.ADVEntries, entry)
 }
 
+// GetADVEntries returns a slice of entry details for the batch
+func (batch *Batch) GetADVEntries() []*ADVEntryDetail {
+	return batch.ADVEntries
+}
+
 // Category returns batch category
 func (batch *Batch) Category() string {
 	return batch.category
diff --git a/batchENR.go b/batchENR.go
index fb4b2200a..57aa4a317 100644
--- a/batchENR.go
+++ b/batchENR.go
@@ -18,6 +18,7 @@ type BatchENR struct {
 	Batch
 }
 
+// NewBatchENR returns a *BatchENR
 func NewBatchENR(bh *BatchHeader) *BatchENR {
 	batch := new(BatchENR)
 	batch.SetControl(NewBatchControl())
@@ -77,6 +78,7 @@ func (batch *BatchENR) Create() error {
 	return batch.Validate()
 }
 
+// ENRPaymentInformation structure
 type ENRPaymentInformation struct {
 	// TransactionCode is the Transaction Code of the holder's account
 	// Values: 22 (Demand  Credit), 27 (Demand Debit), 32 (Savings Credit), 37 (Savings Debit)
diff --git a/batchHeader.go b/batchHeader.go
index 1c512e20e..7ff08d5a7 100644
--- a/batchHeader.go
+++ b/batchHeader.go
@@ -300,9 +300,8 @@ func (bh *BatchHeader) EffectiveEntryDateField() string {
 	// ENR records require EffectiveEntryDate to be space filled. NACHA Page OR108
 	if bh.CompanyEntryDescription == "AUTOENROLL" {
 		return bh.alphaField("", 6) // YYMMDD
-	} else {
-		return bh.formatSimpleDate(bh.EffectiveEntryDate)
 	}
+	return bh.formatSimpleDate(bh.EffectiveEntryDate)
 }
 
 // ODFIIdentificationField get the odfi number zero padded
diff --git a/batchMTE.go b/batchMTE.go
index 8630b1ee0..ed02a95e0 100644
--- a/batchMTE.go
+++ b/batchMTE.go
@@ -18,6 +18,7 @@ type BatchMTE struct {
 	Batch
 }
 
+// NewBatchMTE returns a *BatchMTE
 func NewBatchMTE(bh *BatchHeader) *BatchMTE {
 	batch := new(BatchMTE)
 	batch.SetControl(NewBatchControl())
diff --git a/batchTRC.go b/batchTRC.go
index 29bf9ae24..bfd32f8dc 100644
--- a/batchTRC.go
+++ b/batchTRC.go
@@ -8,7 +8,7 @@ import "fmt"
 
 // BatchTRC holds the BatchHeader and BatchControl and all EntryDetail for TRC Entries.
 //
-//Truncated Entry is used to identify a debit entry of a truncated check.
+// Truncated Entry is used to identify a debit entry of a truncated check.
 type BatchTRC struct {
 	Batch
 }
diff --git a/batchTRC_test.go b/batchTRC_test.go
index 7fdd78b3d..85a853d3b 100644
--- a/batchTRC_test.go
+++ b/batchTRC_test.go
@@ -471,3 +471,14 @@ func TestBatchTRCItemResearchNumber(t *testing.T) {
 		}
 	}
 }
+
+// TestBatchTRCItemTypeIndicator returns an error if ItemTypeIndicator is 01.
+func TestBatchTRCItemTypeIndicator(t *testing.T) {
+	mockBatch := NewBatchTRC(mockBatchTRCHeader())
+	mockBatch.AddEntry(mockTRCEntryDetail())
+	mockBatch.Create()
+
+	if mockBatch.GetEntries()[0].ItemTypeIndicator() != "01" {
+		t.Error("ItemTypeIndicator does not validate")
+	}
+}
diff --git a/file.go b/file.go
index 33d856c75..eff37a53f 100644
--- a/file.go
+++ b/file.go
@@ -93,17 +93,17 @@ type fileControl struct {
 	Control FileControl `json:"fileControl"`
 }
 
-type fileADVControl struct {
-	ControlADV ADVFileControl `json:"fileADVControl"`
+type advFileControl struct {
+	ADVControl ADVFileControl `json:"advFileControl"`
 }
 
-// FileFromJson attempts to return a *File object assuming the input is valid JSON.
+// FileFromJSON attempts to return a *File object assuming the input is valid JSON.
 //
 // Callers should always check for a nil-error before using the returned file.
 //
 // The File returned may not be valid and callers should confirm with Validate(). Invalid files may
 // be rejected by other Financial Institutions or ACH tools.
-func FileFromJson(bs []byte) (*File, error) {
+func FileFromJSON(bs []byte) (*File, error) {
 	if len(bs) == 0 {
 		return nil, errors.New("no JSON data provided")
 	}
@@ -135,17 +135,17 @@ func FileFromJson(bs []byte) (*File, error) {
 		file.Control = control.Control
 	} else {
 		// Read ADVFileControl
-		controlADV := fileADVControl{
-			ControlADV: NewADVFileControl(),
+		advControl := advFileControl{
+			ADVControl: NewADVFileControl(),
 		}
-		if err := json.NewDecoder(bytes.NewReader(bs)).Decode(&controlADV); err != nil {
-			return nil, fmt.Errorf("problem reading FileADVControl: %v", err)
+		if err := json.NewDecoder(bytes.NewReader(bs)).Decode(&advControl); err != nil {
+			return nil, fmt.Errorf("problem reading ADVFileControl: %v", err)
 		}
-		file.ADVControl = controlADV.ControlADV
+		file.ADVControl = advControl.ADVControl
 	}
 
 	// Build resulting file
-	if err := file.setBatchesFromJson(bs); err != nil {
+	if err := file.setBatchesFromJSON(bs); err != nil {
 		return nil, err
 	}
 	file.Header = header.Header
@@ -159,7 +159,7 @@ func FileFromJson(bs []byte) (*File, error) {
 	return file, nil
 }
 
-// UnmarshalJSON returns an error when json struct tag unmarshal is used
+// UnmarshalJSON returns error json struct tag unmarshal is deprecated, use ach.FileFromJSON instead
 func (f *File) UnmarshalJSON(p []byte) error {
 	return errors.New("json struct tag unmarshal is deprecated, use ach.FileFromJSON instead")
 }
@@ -172,7 +172,7 @@ type batchesJSON struct {
 //
 // We have to break this out as Batcher is an interface (and can't be read by Go's
 // json struct tag decoding).
-func (f *File) setBatchesFromJson(bs []byte) error {
+func (f *File) setBatchesFromJSON(bs []byte) error {
 	var batches batchesJSON
 	if err := json.Unmarshal(bs, &batches); err != nil {
 		return err
diff --git a/file_test.go b/file_test.go
index 4c1c76282..a79889b45 100644
--- a/file_test.go
+++ b/file_test.go
@@ -396,7 +396,7 @@ func TestFile__readFromJson(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	file, err := FileFromJson(bs)
+	file, err := FileFromJSON(bs)
 	if err != nil {
 		t.Fatal(err)
 	}
diff --git a/reader.go b/reader.go
index 2b0277085..1673a8644 100644
--- a/reader.go
+++ b/reader.go
@@ -76,12 +76,12 @@ func (e ErrorList) Print(w io.Writer) {
 	}
 }
 
-// Empty is an Empty ErrorList
+// Empty no errors to return
 func (e ErrorList) Empty() bool {
 	return e == nil || len(e) == 0
 }
 
-// MarshalJSON marshals errors
+// MarshalJSON marshals error list
 func (e ErrorList) MarshalJSON() ([]byte, error) {
 	return json.Marshal(e.Error())
 }
@@ -200,7 +200,6 @@ func (r *Reader) Read() (File, error) {
 		return r.File, nil
 	}
 	return r.File, r.errors
-
 }
 
 func (r *Reader) processFixedWidthFile(line *string) error {
diff --git a/server/files.go b/server/files.go
index 9dc159a73..1448ab335 100644
--- a/server/files.go
+++ b/server/files.go
@@ -80,7 +80,7 @@ func decodeCreateFileRequest(_ context.Context, request *http.Request) (interfac
 	h := request.Header.Get("Content-Type")
 	if strings.Contains(h, "application/json") {
 		// Read body as ACH file in JSON
-		f, err := ach.FileFromJson(bs)
+		f, err := ach.FileFromJSON(bs)
 		if err != nil {
 			return nil, err
 		}
diff --git a/version.go b/version.go
index 7b949cb4f..bf881b9c0 100644
--- a/version.go
+++ b/version.go
@@ -4,5 +4,5 @@
 
 package ach
 
-// Version of ACH library
+// Version Number
 const Version = "v0.4.1-dev"