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Understanding XSTRA Monthly Billing
One calendar month in advance. Simple, consistent and predictable.
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How our recurring billing works
XSTRA invoices recurring products one full calendar month in advance.
At the end of each month, we count how many of each recurring product you have and
compare that quantity with the quantity of the same product on the
previous month’s invoice.
Example:
An invoice issued on 1 April normally bills your recurring services for May.
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The monthly billing cycle
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1 March
Invoice issued
Bills April
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31 March
Month-end count
Count each product
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1 April
Invoice issued
Bills May + adjustments
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30 April
Month-end count
Count again
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1 May
Invoice issued
Bills June + adjustments
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Each product is calculated separately
A change to Product A does not affect Product B. We compare each product only with the same product on the previous invoice.
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1. NO CHANGE
If the month-end quantity is the same as the previous invoice, the same quantity is billed for the next future month.
Previous invoice: 10
31 March count: 10 Change: 0
1 April invoice:
May: 10 × $20 = $200 |
2. DECREASE
If the month-end quantity is lower, the lower quantity is billed for the next future month.
Previous invoice: 10
31 March count: 8 Change: -2
1 April invoice:
May: 8 × $20 = $160 No automatic retrospective credit. |
3. INCREASE
If the month-end quantity is higher, the new quantity is billed for the next month and the increase is caught up for the previous two months.
Previous invoice: 10
31 March count: 12 Change: +2
1 April invoice:
March catch-up: 2 × $20 = $40 April catch-up: 2 × $20 = $40 May: 12 × $20 = $240 Total: $320 |
Why can an increase create three months of charges?
Because XSTRA is already billing one calendar month ahead. If Product A increases from
10 to 12 during March, the additional 2 units were not on the earlier invoices.
The 1 April invoice therefore catches those additional units up for
March and April, while also billing the full new
quantity of 12 for May.
From the next invoice onward, all 12 units are aligned and normally bill one month at a time.
Example: several products on the same customer account
The 1 March invoice billed April. The 31 March month-end counts are then used to prepare the 1 April invoice for May.
Total recurring product charges on 1 April invoice: $730
We use the total quantity of each product
Billing is based on the aggregate quantity of each product type,
not the identity of individual devices, users or licences.
For example, if Product A was 10 on the previous invoice and is still 10 at month end,
the billing result is no change — even if some individual Product A
items were removed and others were added during the month.
Key rules to remember
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1. One month in advance
An April invoice normally bills May. 2. Month-end count We count the quantity of each recurring product on the final day of the month. 3. Each product is separate Product A is compared only with Product A; Product B is compared only with Product B. |
4. Whole calendar months
Recurring products are not normally prorated by day. 5. Increases are caught up The increase is caught up so the new quantity reaches the same billing position as the existing quantity. 6. Decreases affect the next future month A lower month-end quantity reduces the next future recurring charge. |
Frequently asked questions
If I receive an invoice in April, what month am I paying for?
Your normal recurring charges on an April invoice are for May.
Why can a newly increased quantity have extra charges?
Because the existing quantity is already billed ahead. The additional quantity must be caught up to the same billing position.
Do you prorate recurring products by the number of days used?
Normally, no. Recurring products are billed in whole calendar months under this billing regime.
Can an increase in one product offset a decrease in another?
No. Each product type is reconciled independently.
Questions about your invoice?
Contact XSTRA and we can explain the quantity, billing period and any catch-up adjustment shown on your invoice.
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