diff --git a/packages/server/src/interfaces/SalesTaxLiabilitySummary.ts b/packages/server/src/interfaces/SalesTaxLiabilitySummary.ts
index 8b04c9719..2fbc9f13d 100644
--- a/packages/server/src/interfaces/SalesTaxLiabilitySummary.ts
+++ b/packages/server/src/interfaces/SalesTaxLiabilitySummary.ts
@@ -1,3 +1,5 @@
+import { IFinancialTable } from "./Table";
+
 export interface SalesTaxLiabilitySummaryQuery {
   fromDate: Date;
   toDate: Date;
@@ -49,3 +51,8 @@ export interface SalesTaxLiabilitySummaryMeta  {
   organizationName: string;
   baseCurrency: string;
 }
+
+export interface ISalesTaxLiabilitySummaryTable extends IFinancialTable {
+  query: SalesTaxLiabilitySummaryQuery;
+  meta: SalesTaxLiabilitySummaryMeta;
+}
\ No newline at end of file
diff --git a/packages/server/src/services/FinancialStatements/AgingSummary/ARAgingSummaryExportInjectable.ts b/packages/server/src/services/FinancialStatements/AgingSummary/ARAgingSummaryExportInjectable.ts
index 27808b705..25c3dd064 100644
--- a/packages/server/src/services/FinancialStatements/AgingSummary/ARAgingSummaryExportInjectable.ts
+++ b/packages/server/src/services/FinancialStatements/AgingSummary/ARAgingSummaryExportInjectable.ts
@@ -30,7 +30,7 @@ export class ARAgingSummaryExportInjectable {
    * Retrieves the A/R aging summary sheet in CSV format.
    * @param {number} tenantId
    * @param {ICashFlowStatementQuery} query
-   * @returns {Promise<Buffer>}
+   * @returns {Promise<string>}
    */
   public async csv(
     tenantId: number,
diff --git a/packages/server/src/services/FinancialStatements/SalesTaxLiabilitySummary/SalesTaxLiabilitySummaryTableInjectable.ts b/packages/server/src/services/FinancialStatements/SalesTaxLiabilitySummary/SalesTaxLiabilitySummaryTableInjectable.ts
index 0d5d426ba..907cab2ad 100644
--- a/packages/server/src/services/FinancialStatements/SalesTaxLiabilitySummary/SalesTaxLiabilitySummaryTableInjectable.ts
+++ b/packages/server/src/services/FinancialStatements/SalesTaxLiabilitySummary/SalesTaxLiabilitySummaryTableInjectable.ts
@@ -1,5 +1,8 @@
 import { Inject, Service } from 'typedi';
-import { SalesTaxLiabilitySummaryQuery } from '@/interfaces/SalesTaxLiabilitySummary';
+import {
+  ISalesTaxLiabilitySummaryTable,
+  SalesTaxLiabilitySummaryQuery,
+} from '@/interfaces/SalesTaxLiabilitySummary';
 import { SalesTaxLiabilitySummaryTable } from './SalesTaxLiabilitySummaryTable';
 import { SalesTaxLiabilitySummaryService } from './SalesTaxLiabilitySummaryService';
 
@@ -12,9 +15,12 @@ export class SalesTaxLiabilitySummaryTableInjectable {
    * Retrieve sales tax liability summary table.
    * @param {number} tenantId
    * @param {SalesTaxLiabilitySummaryQuery} query
-   * @returns
+   * @returns {Promise<ISalesTaxLiabilitySummaryTable>}
    */
-  public async table(tenantId: number, query: SalesTaxLiabilitySummaryQuery) {
+  public async table(
+    tenantId: number,
+    query: SalesTaxLiabilitySummaryQuery
+  ): Promise<ISalesTaxLiabilitySummaryTable> {
     const report = await this.salesTaxLiability.salesTaxLiability(
       tenantId,
       query
diff --git a/packages/server/src/services/FinancialStatements/TransactionsByVendor/TransactionsByVendorExportInjectable.ts b/packages/server/src/services/FinancialStatements/TransactionsByVendor/TransactionsByVendorExportInjectable.ts
index b97ebb663..1d547e752 100644
--- a/packages/server/src/services/FinancialStatements/TransactionsByVendor/TransactionsByVendorExportInjectable.ts
+++ b/packages/server/src/services/FinancialStatements/TransactionsByVendor/TransactionsByVendorExportInjectable.ts
@@ -30,7 +30,7 @@ export class TransactionsByVendorExportInjectable {
    * Retrieves the cashflow sheet in CSV format.
    * @param {number} tenantId
    * @param {ICashFlowStatementQuery} query
-   * @returns {Promise<Buffer>}
+   * @returns {Promise<string>}
    */
   public async csv(
     tenantId: number,
diff --git a/packages/server/src/services/FinancialStatements/VendorBalanceSummary/VendorBalanceSummaryExportInjectable.ts b/packages/server/src/services/FinancialStatements/VendorBalanceSummary/VendorBalanceSummaryExportInjectable.ts
index 8e6980ed0..ba278f88d 100644
--- a/packages/server/src/services/FinancialStatements/VendorBalanceSummary/VendorBalanceSummaryExportInjectable.ts
+++ b/packages/server/src/services/FinancialStatements/VendorBalanceSummary/VendorBalanceSummaryExportInjectable.ts
@@ -1,7 +1,7 @@
+import { Inject, Service } from 'typedi';
 import { IVendorBalanceSummaryQuery } from '@/interfaces';
 import { VendorBalanceSummaryTableInjectable } from './VendorBalanceSummaryTableInjectable';
 import { TableSheet } from '@/lib/Xlsx/TableSheet';
-import { Inject, Service } from 'typedi';
 
 @Service()
 export class VendorBalanceSummaryExportInjectable {
@@ -27,7 +27,7 @@ export class VendorBalanceSummaryExportInjectable {
    * Retrieves the vendor balance summary sheet in CSV format.
    * @param {number} tenantId
    * @param {IVendorBalanceSummaryQuery} query
-   * @returns {Promise<Buffer>}
+   * @returns {Promise<string>}
    */
   public async csv(
     tenantId: number,
diff --git a/packages/server/src/utils/xlsx.ts b/packages/server/src/utils/xlsx.ts
deleted file mode 100644
index e69de29bb..000000000