Tuesday, June 6, 2017

How to minimise individual income tax for a working couple

Although Singapore’s tax rate is one of the lowest in the world, mummy hold the belief that one should aim to pay his/her fair share of tax and claim all the reliefs that one is entitled to. As a working couple, mummy always need to take into account of her hubby’s income and reliefs as well as hers when preparing the individual income tax filing as to minimise the tax payable for them as a couple.

Here are her workings in computing the prefect combination of reliefs to be split between the couple to achieve the lowest tax payable possible:


  • Step 1: List down the income of both couples as well as the tax reliefs available. This can be easily extracted from the draft form B1 when you log in the IRAS tax portal. 
  • Step 2: Identify the “non-shareable” reliefs and the “shareable” reliefs. Non-shareable reliefs are those that are only allowable to a particular person, for example, working mother child relief is allowed to the mother (i.e. the wife), while earned income relief, CPF relief, etc are only allow to that particular individual (i.e. the husband or the wife). While shareable relief can be split and share amongst the couple. 
  • Step 3: Compute the chargeable income net of non-shareable reliefs
  • Step 4: Split the shareable reliefs according to the highest marginal tax rates



Here is an example for illustration of how the above work:
Assuming both husband and wife are working and they have one child. The wife would be entitled to the working mother relief which is 15% of her total income. 

INCOME Husband Wife
Employment income  100,000  100,000
Other income  -    -  
TOTAL INCOME  100,000  100,000
DEDUCTIONS AND RELIEFS
Non-shareable reliefs
Approved Donations  68  65
Earned income relief  1,000  1,000
Working mother's child relief  NA  14,990
Grandparent caregiver relief  NA  3,000
CPF/provident Fund relief  17,000  16,000
Course fees relief  -    -  
Foreign maid levy relief  NA  -  
CPF cash top-up relief  -    -  
Supplementary Retirement Scheme (SRS) relief  -    -  
NSman(Self/wife/parent) relief  1,500  750
TOTAL NON-SHAREABLE RELIEFS  19,568  35,805
Shareable reliefs
Qualifying child relief  4,000
Parent relief  0
Net chargeable income net of non-shareable reliefs  80,432  64,195
Husband tax rate Amount Tax rate
20,000 0%
10,000 2%
10,000 3.50%
40,000 7%
432 11.50%
80,432
Wife tax rate Amount Tax rate
20,000 0%
10,000 2%
10,000 3.50%
24,195 7%
64,195

As in this example, the amount of $432 of husband attracts the highest tax rate of 11.50%, follows by the $40,000 (Husband) and $24,195 (wife) attracting the second highest rate of 7%. The couple has a few choices of split the child relief: 

  1. S$432 to husband and balance to wife, 
  1. All $4,000 to husband


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