In Singapore, anyone who is at least 21 years old can do an LPA. You can only do a LPA when you have mental capacity. There's LPA Form 1 and 2, depending
Steps to make a LPA:
1. Choose your donee(s)
Who will have the powers to take care of your affairs if you lost mental capacity
2. Get a certificate issuer (CI)
Who is either a accredited medical practitioner, practicing lawyer, or registered psychiatrist
3. Submit your LPA application
Within 6 months from the date the donor signs on the LPA form
If you did not make a LPA and have lost mental capacity, your family has to apply to the court for deputyship to make decisions for you.
Read more: Lasting Power of Attorney (Singapore)