--- title: "Submitting third-party payment files to Cintra for processing" slug: "how-do-i-submit-third-party-payment-files-to-cintra-for-processing" description: "Streamline your payroll with Cintra's Pay Third Party feature, allowing easy payments to unions, childcare, and more in a single file submission." updated: 2026-07-29T08:20:50Z published: 2026-06-10T11:26:21Z canonical: "help.cintra.co.uk/how-do-i-submit-third-party-payment-files-to-cintra-for-processing" --- > ## Documentation Index > Fetch the complete documentation index at: https://help.cintra.co.uk/llms.txt > Use this file to discover all available pages before exploring further. # Submitting third-party payment files to Cintra for processing Similar to paying **HMRC**, the **Pay Third Party** functionality allows you to combine payments, from different payrolls to third parties, into a single payment file and makes a payment run to a third party person or company/organisation. A third party payment can be for union dues or child care etc. Now that you have created a third party payment file, you can you can use **Cintra** to pay your **HMRC** payments. ## To submit a third party payment file 1. Navigate to the **Process Backs for Third Party Payments** form. - Go to **Cintra iQ**: Payroll > Payroll Tools > Paying Out > Pay Third Parties. Create the Third Party Payment file. 2. Click on the **Transmit** button. The **Cintra Data Transfer Client** window appears. 3. Enter your secure **Username** and **Password**. 4. Click the **Next** button. - Where you have multiple payrolls, select the payroll the payment relates to and click Next. The Review Previous Submissions form appears. 5. Click the **Next** button. The **Upload BACS file to Cintra** form appears. 6. Amend payment date to date that payment is due with third parties. - The payment date always defaults to next available pay date. 7. Click the **Next** button. The **Verify Totals** form appears. 8. Select the **I confirm all payments are correct** option. 9. Click the **Next** button. The **Submission Complete** form appears. 10. Click the **Close** button.