Payment Compliance Official Official • In the last 12 months, the CMS has arranged around £1.5 billion in child maintenance payments. • The CMS has a low percentage of unpaid maintenance. 7% (£690.8 million) of the total maintenance due to be paid since the CMS began, remains to be collected through Collect & Pay but this is falling. This was as high as 15% in March 2015. • Since March 2023, the percentage of parents paying something towards their maintenance through collect & pay has increased to 68% from 65%.