Urgent!: What constraint should be placed on a single-choice question to avoid double selection of a modality in several form

[Kal_Lam]

@MMM_MINTOGBE, this post discussed previously should help you solve your issue:

How to set a sample for a project and also define a time for enumerators to make submissions?

@shuhadaa, making a long response to your post assuming that my response would benefit our entire KoboToolbox community. My example shared below should address the following: Define sample size for the project: Allows only 300 submissions for this project (not more than that). But you could make changes (as needed in the XLSForm) to customize your needs. Define sub-sample for the project: Allows only 5 submissions per site (a variable used inside this example). The XLSForm has 5 sample sit…

But please be informed that you will need to use the dynamic data attachment feature for this.