Deputyship in Singapore: a parent’s step-by-step guide

What deputyship is, in plain words

A deputy is a person the court appoints to make decisions on behalf of an adult who cannot make them for themselves. The legal machinery sits in the Mental Capacity Act, and for a parent it usually means one practical thing: the authority to manage your adult child’s money and sign the things that need signing.

Getting the order changes nothing about who your child is. It is paperwork about decisions, not a verdict about a person — and applying for it is one of the most concrete acts of care in this whole landscape.

Why this lands on every family’s desk at 21

Singapore’s guardianship framework covers children: the Judiciary describes guardianship as legal responsibility for a child below 21 years of age. From the 21st birthday, the law treats your child as an adult.

For adults who cannot make certain decisions, the Office of the Public Guardian points to two instruments. An LPA is made by a person while they have mental capacity, appointing someone they trust. Deputyship is the court-appointed alternative when no LPA exists — and because an LPA can only ever be made by the person themselves, for many autistic adults it is never available. Two routes, and only one may be open to your family.

This is not an abstract distinction. To take one concrete example: an application for a place in an Adult Disability Home for a resident aged 21 or over who lacks mental capacity needs the approval of a deputy or donee. Institutions ask who can legally decide; the order is the answer.

The fuller picture of what changes at the birthday — and what to line up in the years before it — is in our guide to what changes legally when your child turns 21.

The two tracks

Figures are as of July 2026. Court fees and thresholds are the Family Justice Courts’ own published numbers; the legal-fee range is what Singapore law firms publish, not an official figure — one firm, for instance, publishes a flat S$4,000 for the standard route.

ADAP: the S$40 window

The Assisted Deputyship Application Programme exists precisely for families like ours. It packages the simplified track for parents of children who clearly need it, at the moment they are easiest to help.

Your child qualifies when they are between 18 and 21 years old and in the graduating cohort of a SPED school, or enrolled in an MSF-funded Day Activity Centre or Sheltered Workshop. The application must be uncontested — everyone in the family agrees.

Two things make ADAP genuinely cheaper, not just simpler. The filing fee is the simplified track’s S$40. And the mental-capacity report prepared by the psychologist from the SPED school, DAC or Sheltered Workshop is sufficient — you do not commission a separate specialist report. MINDS Future Care Planning is the MSF-appointed agency that walks parents through it.

How to apply, step by step

1. Work out which track fits. Add up the monies a deputy would need to withdraw across your child’s accounts. Up to S$80,000 (with CPF considered separately up to S$60,000) and an uncontested application points to the simplified track.
2. If your child is at a SPED school, DAC or Sheltered Workshop, start there. Ask about ADAP in the final school years — the centre’s psychologist prepares the mental-capacity report, and MINDS Future Care Planning guides the application.
3. Otherwise, arrange the mental-capacity report. A doctor’s report on your child’s capacity is the core document; an assessment at IMH can cost over S$1,300, so ask about the options before booking.
4. File the application. The simplified application goes in online through iFAMS with the S$40 fee. For the standard route, most families engage a lawyer to draft and file.
5. Wait for the order. The courts publish the typical spans: four to six weeks for simplified applications, three to four months for standard ones.
6. After the order, report annually. Deputies submit yearly reports to the Office of the Public Guardian on the decisions made and monies handled. Keep simple records as you go and the report is an evening’s work, not an ordeal.

If your child can decide for themselves

Deputyship exists for decisions your child cannot make. Many autistic adults can and do make their own — including making an LPA of their own after 21 to appoint someone they trust, which for Singapore Citizens using Form 1 is free of charge from 1 April 2026.

If you are not sure where your child stands, that is exactly what the capacity assessment answers — and asking the school psychologist early costs nothing. We would rather you ask a year too early than discover the ADAP window closed a year too late.