Social security more refund less make up what means

Because the social security contribution base in May and June of each year officially introduced, so the official contribution base before the announcement of the individual stalls to pay social security fees to take the estimated base collection, to be due to renew the fee according to the official contribution base calculation of the year the amount payable, the more the less the compensation.

Extended reading: insurance how to buy, which is good, hand to teach you to avoid the insurance of these "pits"