The rates with respect to the months to which the aforementioned salary payments have corresponded must be taken. In the same way, the liquidation of the gratuities that will not be able to be quantified in advance, either totally or partially, will be carried out. With respect to apportionment, companies will have to formalize a complementary liquidation for it. Said complementary settlement will establish the contribution differences relating to the months of the year that have already passed and will increase. The corresponding amount, the contributions that were pending payment to Social Security throughout the fiscal year of the year. The complementary liquidations Whatsapp Mobile Number List that have been indicated above, must be prepared in detail and separately for each month of the year that has elapsed. Term to enter the corresponding contribution and settlement fee in Social Security The statutory term to enter the Social Security contribution quotas when salary payments have been made retroactively must abide by the legal provisions to that effect. According to the law Royal Decree 1415/2004, of June 11 in its article 56 and the corresponding annual order will refer, not only to the income from Social Security contributions, but also to the modifications that occur in the bases, types and in the concepts of contribution that have to be applied to the worker with retroactive effect.