QB Issue Resolution:

QB form customization does not have the capability to add terms and conditions

use another form you attach, or if you print, bulk print the terms on one side and print the QB invoice on the other

Resolution for Issue 'i want to do proper and same format with boxes and to add terms and conditions upto 2500 words' available: Yes (Solved).
Source: Intuit Community forum.

i want to do proper and same format with boxes and to add terms and conditions upto 2500 words: this 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 issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for bulk print
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Error Recovery for bulk print [Canada]
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