---
title: "Why track when tests are due? | LocoTap"
description: "Every test that comes due again is a job that books itself. 100 devices tested every 12 months: 9 come due each month."
url: "https://locotap.com/learn/test-due"
---

# Why track when tests are due?

Every test that comes due again is a job that books itself.

**For**

Remind owners when a device is due a test, and fill your diary.

**When**

After every test you do

## Try it

100 devices tested every 12 months: 9 come due each month.

Due a month = devices on your list ÷ months between tests, rounded up.

Write the next due date on every test.

## Worked out

| Devices | Every 6 months | Every 12 months | Every 24 months |
| --- | --- | --- | --- |
| 50 | 9 | 5 | 3 |
| 100 | 17 | 9 | 5 |
| 200 | 34 | 17 | 9 |
| 400 | 67 | 34 | 17 |

## Easy to get wrong

- No due date on the certificate.
- A reminder a week before, too late.
- The list lost with an old phone.
- Waiting for them to call you.

## The tool for it

**Test certificates** Each backflow device you test, its report and when it's due again [Start free](https://locotap.com/sign-in?back=%2Fapp%2Flearn%2Ftest-due)

## Questions

**Which devices need a test?**

It depends on the device and the place. Check the rule where you work.

**How often are they tested?**

It’s set for each kind of device; type in the gap. Check the rule where you work.

**When do I send the reminder?**

About a month before it’s due, so they can book you.

**What goes on a test certificate?**

The device, where it is, the result, the date and the next due date.

**Who keeps the certificate?**

Give the owner a copy and keep one with the job.

**What if it fails?**

Write down why, quote the fix, and test again after.

**Can I remind them by text?**

Yes, with the device, the date it’s due and how to book.

Next · Get paid: [When do I send the bill?](https://locotap.com/learn/bill-fast)