Disabling Data Flow Task

I have developed a SSIS package which has 4 data flow tasks which run in sequence and is scheduled on a daily basis. I now want the last data flow task of the 4 to run on the 1st day of the month and the others to run daily. Is it possible, to disable this so it runs only on the 1st without me having to open the package on the 1st day of every month to do it manually?
Mark WilsonBI DeveloperAsked:
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Jim HornMicrosoft SQL Server Data DudeCommented:
Conditionally execute, yes by changing the precedence constraint (aka green arrow) going to it to include an expression that only evaluates to TRUE on the first day of the month.  Then change 'Constraint' to 'Expression and Constraint'.
Vikas GargAssociate Principal EngineerCommented:

You can do this by setting expression in the disable Properties of the DFT Task as shown in the image.

DAY(GETDATE()) == 1 ?  false :  True

This will disable the DFT if the day is not 1.

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Microsoft SQL Server 2008

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