Make the interest a separate transaction & date it in 2018.

Resolution for 'billed 2017 issue: 'We have an account billed 2017 – when I add the interest in 2018 it shows as a 2017 transaction. How do I get the interest added to be recorded as a 2018 transaction?”' available: Yes.

The billed 2017 issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the billed 2017 issue yourself by looking for a resolution described in the article. If it is a complex billed 2017 issue or you are unable to solve the issue, you may contact us by clicking here or by using other billed 2017 support options.

For more information about resolving issues related to billed 2017 in Quickbooks/QBO or to get support for the issue 'We have an account billed 2017 – when I add the interest in 2018 it shows as a 2017 transaction. How do I get the interest added to be recorded as a 2018 transaction?”', click the link below: