Peoplesoft Tax update Generic and Specific instructions

I worked for Tax update in 2008, and through this post I will try to explain my experience on Peoplesoft Tax update  for my blog visitors and students

FAQ's on Tax Update:
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1.How to now Tax update releases?
Ans. Oracle releases the Tax update calender every year, you can mark dates relevant to your Application . you can access calender by logon to  support.oracle.com

2.My current Oracle support covers Tax Updates?
Ans. Oracle offers 3 level of customer support  a.Premium Support b.Extended Support c.Sustaining support.  Tax, Legal, and Regulatory Updates not covered in Sustaining support. Click here to Download Oracle Lifetime support policy doc


Peoplesoft tax update general steps:
Oracle publishes the tax update calendar for a year. You can get the release
dates from that calendar. The generic steps to be followed:

1. Keep the tax update calendar and mark the dates when the tax updates will
be available in support.oracle.com
2. Download the tax update file from the Oracle
3. Pass on the release notes to the payroll analyst/concern authority to analyze any
functional and technical impacts and plan for testing.

After Approval
On Demo Environment
1,Backup Demo
2.Run Compare and report against Test DB
3. Apply tax updates in DEMO environment.
4.Analyze the changes

On Test Environment (Replica of Prod)
1.Backup Test Environment
2. Pre-Update Comp report
3. Apply tax updates in testing environment.
4.Post-Update Comp report
5. Carry out functional and technical testing in testing environment.

Raising change request for Prod from change board

1.Backup Test Environment
2. Pre-Update Comp report
3. Apply tax updates in Prod environment.
4.Post-Update Comp report
5. Carry out functional and technical testing

9. Move tax updates to production.

Apart from those steps, PSAdmin should create own excel sheet to keep update impacts and must follow Oracle docs specific to that Tax update