Calculate occupancy supplements and discounts
Once we have the base price and the board supplement or discount applied, then we have to process the occupancy supplements and discounts informed at CNSU structure.
There are three different types:
1. Child supplement or discount
Determine the final type of pax for the service
2. Infant supplement or discount
Applied only for passengers with a lower age than specified in Minimum child age in the contract
3. Additional bed
Applied only for the passenger exceeding the standard capacity
4. Room for single use
Applied only for passengers not exceeding the standard capacity
General restrictions:
 The [CNSU.Is per pax] value is always true
 One passenger can only have one record to apply
 The [CNSU.Order] is not relevant due to are the first in the application order
 The [CNSU.Is cumulative] is not relevant, will be always false
The price calculated after this process will be the base price on which apply the rest of the supplements and discounts.
(*) For calculating the final price using the new pricing structure, match the fields: Net price, Price and Amount on CNCT and CNSU structure
Child supplement or discount
A child supplement or discount is defined when the [CNSU.Type] value is N.
At this stage we will obtain the passenger type: adult, child or infant, depending on the contract information.
A passenger is considered an infant when his age is younger than [CCON.Minimum child age].
Also when you cannot apply a child supplement or discount but only because of the age rules does not applies due to the passenger age is younger than the minimum age in the child supplement or discount record and there is no more record for this passenger age.
An infant will not be considered in the valuation process and the price is 0.
A passenger is considered a child pax when a child supplement or discount applies. It is very common child discounts of 100% from 0 to 2 years old. Then, a 1 years old pax will be considered a child pax with price 0, but not an infant.
A passenger is considered an adult pax when is not an infant or child.
You have to process record by record and check if it applies for all the days and passenger. As the child supplement or discount is the first you have to apply the order is not relevant.
The validation record check is:
 Dates
 Rate
 Room type
 Room characteristic
 Board
 Passenger’s age
 Operation days
If more than one record is valid, then the filtering order is:
 Rate
 Room type
 Room characteristic
 Board
The child supplement and discount has two more fields that we have to validate:
 Order [CNSU.Pax order]: The child order. It could appear different supplements or discounts for the first child and the second one in the same booking.
 Adults [CNSU.Adults]: The minimum adults that may have in the booking in order to apply the record.
(*) For calculating the final price using the new pricing structure, match the fields: Net price, Price and Amount on CNCT and CNSU structure.
► Example:
Child supplements and discount records for a contract where:
 [CCON.Minimum child age] value is 0
# 
Pax order 
Adults 
Minimummaximum age 
Percentage 
A 
1 
2 
02 
100% 
B 
1 
2 
312 
100% 
C 
2 
2 
02 
100% 
D 
2 
2 
312 
50% 
Availability 
Pax 
Age 
Supplement or Discount 
Order 
Description 
2 AD 
AD 
30 
 

There is no pax with child supplement/discount 
AD 
30 
 


1AD + 1CH 
AD 
30 
 

There is not enough adults to apply the child supplement/discount 
CH 
2 
 


2AD + 1CH 
AD 
30 
 

The A child supplement/discount applies 
AD 
30 
 


CH 
2 
A 
1 

2AD + 1CH 
AD 
30 
 

The B child supplement/discount applies 
AD 
30 
 


CH 
8 
B 
1 

1AD + 2CH 
AD 
30 
 

The A child supplement/discount applies. There is enough adults because one requested child is considered adult 
CH 
2 
A 
1 

AD 
8 
 


2AD + 2CH 
AD 
30 
 

The A child supplement/discount applies for the first child. The D child supplement/discount applies for the second child 
AD 
30 
 


CH 
2 
A 
1 

CH 
8 
D 
2 

1AD + 3CH 
AD 
30 
 

The B child supplement/discount applies for the first child. The C child supplement/discount applies for the second child. There is enough adults because one requested child is considered adult 
CH 
8 
B 
1 

CH 
8 
D 
2 

AD 
8 
 


2AD + 3CH 
AD 
30 
 

The B child supplement/discount applies for the first child. The D child supplement/discount applies for the second child. No more child supplement/discount applies because there is no more Pax Order informed. 
AD 
30 
 


CH 
8 
B 
1 

CH 
8 
D 
2 

AD 
8 
 

Child supplement/discount valuation example
The children must be ordered by age in order to apply Children supplements and discounts.
If you have 2 AD + 3CH with 2, 3 and 7 years old, then you must apply de Children supplements in the following order:
2 years old
3 years old
7 years old
► Example:
Child supplements and discount records for a contract where:
 [CCON.Minimum child age] value is 3
# 
Pax order 
Adults 
Minimummaximum age 
Percentage 
A 
1 
2 
312 
100% 
B 
2 
2 
312 
50% 
Availability 
Pax 
Age 
Supplement or Discount 
Order 
Description 
2 AD 
AD 
30 
 

There is no pax with child supplement/discount 
AD 
30 
 


1AD + 1CH 
AD 
30 
 

There are not enough adults to apply the child supplement/discount. The child is considered infant because is younger than 3 
INF 
2 
 


2AD + 1CH 
AD 
30 
 

There is no pax with child supplement/discount. The child is considered infant because is younger than 3 
AD 
30 
 


INF 
2 
 


2AD + 1CH 
AD 
30 
 

The A child supplement/discount applies 
AD 
30 
 


CH 
8 
A 
1 

1AD + 2CH 
AD 
30 
 

There are not enough adults to apply the child supplement/discount. The child is considered infant because is younger than 3 
INF 
2 
 


AD 
8 
 


2AD + 2CH 
AD 
30 
 

The A child supplement/discount applies for the second child. The first child is considered infant because is younger than 3 
AD 
30 
 


INF 
2 
 


CH 
8 
A 
1 

1AD + 3CH 
AD 
30 
 

The A child supplement/discount applies for the first child. The B child supplement/discount applies for the second child. There are enough adults due to the third child is considered adult. 
CH 
8 
A 
1 

CH 
8 
B 
2 

AD 
8 
 


2AD + 3CH 
AD 
30 
 

The A child supplement/discount applies for the first child. The B child supplement/discount applies for the second child. No more child supplement/discount applies because there is no more Pax Order informed. 
AD 
30 
 


CH 
8 
A 
1 

CH 
8 
B 
2 

AD 
8 
 

Child supplement/discount valuation example
► Example:
Child supplements and discount records for a contract where:
 [CCON.Minimum child age] value is 0
# 
Pax order 
Adults 
Minimummaximum age 
Percentage 
A 
1 
2 
312 
100% 
B 
2 
2 
312 
50% 
Availability 
Pax 
Age 
Supplement or Discount 
Order 
Description 
2 AD 
AD 
30 
 

There is no pax with child supplement/discount 
AD 
30 
 


1AD + 1CH 
AD 
30 
 

There are not enough adults to apply the child supplement/discount. The child is considered infant because there is no record to apply 
AD 
2 
 


2AD + 1CH 
AD 
30 
 

The child is considered as price 0 because there are child supplement/discount which not applies due to the passenger ages is younger 
AD 
30 
 


CH 
2 
 
1 

2AD + 1CH 
AD 
30 
 

The A child supplement/discount applies 
AD 
30 
 


CH 
8 
A 
1 

1AD + 2CH 
AD 
30 
 

The child is considered as price 0 because there are child supplement/discount which not applies due to the passenger ages is younger 
CH 
2 
 
1 

AD 
8 
 


2AD + 2CH 
AD 
30 
 

The child is considered as price 0 because there are child supplement/discount which not applies due to the passenger ages is younger. The B child supplement/discount applies for the second pax with order 2 
AD 
30 
 


CH 
2 
 
1 

CH 
8 
B 
2 

1AD + 3CH 
AD 
30 
 

The A child supplement/discount applies for the first pax. The B child supplement/discount applies for the second pax 
CH 
8 
A 
1 

CH 
8 
B 
2 

AD 
8 
 


2AD + 3CH 
AD 
30 
 

The A child supplement/discount applies for the first pax. The B child supplement/discount applies for the second pax. No more child supplement/discount applies because there is no more Pax Order informed. 
AD 
30 
 


CH 
8 
A 
1 

CH 
8 
B 
2 

AD 
8 
 

Child supplement/discount valuation example
Once you have the record to apply, the price calculation is detailed in the next section.
Infant supplement or discount
An infant supplement or discount is defined when the [CNSU.Type] value is F.
Remember that a passenger is considered an infant when his age is younger than [CCON.Minimum child age].
All the infant supplements or discounts will have the [CNSU.Minimum age] and [CNSU.Maximum age] informed. Furthermore, the [CNSU.Maximum age] will be equal or lower than [CCON.Minimum child age]
The validation record check is:
 Dates
 Rate
 Room type
 Room characteristic
 Board
 Passenger’s age
 Operation days
If more than one record is valid, then the filtering order is:
 Rate
 Room type
 Room characteristic
 Board
The infant supplement and discount has two more fields that we have to validate:
 Order [CNSU.Pax order]: The infant order. It could appear different supplements or discounts for the first child and the second one in the same booking.
 Adults [CNSU.Adults]: The minimum adults that may have in the booking in order to apply the record.
Additional bed
An additional bed supplement or discount is defined when the [CNSU.Type] value is C.
These records must be processed just afterwards the child supplement and discounts.
The additional bed only applies for the adult passengers which exceed the standard capacity of the room. And also you have to check:
 Dates
 Rate
 Room type
 Room characteristic
 Board
 Passenger’s age
 Operation days
If more than one record is valid, then the filtering order is:
 Rate
 Room type
 Room characteristic
 Board
You have to consider the order [CNSU.Pax order]. It could appear different supplements or discounts for the first adult and the second one in the same booking
► Example:
Additional bed supplements and discount records for a contract where:
 Standard capacity value is 2
# 
Order 
Percentage 
A 
3 
50% 
B 
4 
30% 
Availability 
Pax 
Age 
Supplement or Discount 
Order 
Description 
1AD 
AD 
30 
 
 
Not enough passengers to apply 
2AD 
AD 
30 
 
 
Not enough passengers to apply 
AD 
30 
 
 

3AD 
AD 
30 
 
 
The A supplement/discount to the third passenger. 
AD 
30 
 
 

AD 
30 
A 
3 

4AD 
AD 
30 
 
 
The A supplement/discount to the third passenger. The B supplement/discount to the fourth passenger 
AD 
30 
 
 

AD 
30 
A 
3 

AD 
30 
B 
4 

2AD+ 1CH 
AD 
30 
 
 
The third passenger has the child supplement/discount applied so the additional bed supplement/discount does not apply 
AD 
30 
 
 

CH 
8 
 
 

2AD+ 1CH 
AD 
30 
 
 
The A supplement/discount applies to third adult. The child is considered adult because no child supplement or discount applied 
AD 
30 
 
 

AD 
8 
A 
3 
Additional bed supplement/discount valuation example
Once you have the record to apply, the price calculation is detailed in the next section.
Room for single use
A room for single use supplement or discount is defined when the [CNSU.Type] value is I.
The application order is just after the additional bed. Note that the additional bed and single use supplement and discount can only apply one of them to the same passenger. The reason is because the room for a single use applies only to adults not covering the standard capacity.
And also you have to check:
 Dates
 Rate
 Room type
 Room characteristic
 Board
 Passenger’s age
 Operation days
If more than one record is valid, then the filtering order is:
 Rate
 Room type
 Room characteristic
 Board
The [CNSU.Pax order] restriction is mandatory. It could appear different supplements or discounts for the first adult and the second one in the same booking.
► Example:
Additional bed supplements and discount records for a contract where:
 Standard capacity value is 2
# 
Order 
Percentage 
A 
1 
50% 
Availability 
Pax 
Age 
Supplement or Discount 
Order 
Description 
1AD 
AD 
30 
A 
1 
The A supplement/discount applies to the first passenger. 
2AD 
AD 
30 
 
 
Too much passengers to apply the single use supplement/discount 
AD 
30 
 
 
Additional bed supplement/discount valuation example
Once you have the record to apply, the price calculation is detailed in the next section.
IMPORTANT NOTE: In order to do the calculation for this pax not exceeding the standard capacity, it is necessary to divide to the standard capacity of the room to get the price for one pax and apply the supplement accordingly. The final price would be the price for just one pax plus the supplement.
Occupancy supplements and discounts price calculation
Different rules for the application type [CNSU.Application type]:
Application type 
Rule description 
B 
Applies to the base price 
R 
Applies to the board supplement 
N 
Applies to the price per night 
A 
Overwrite the base price 
U 
Applies to the first night price 
T 
Applies to the first night price. The application dates must be between the travel start date 
M 
Overwrite the base price, but it is necessary to add the board amount to this price 
Occupancy supplement/discount application types
The next table have all the different scenarios and the calculated price.
► Example:
Supplements and discounts price calculation
Standard capacity for the room is 2 and number of paxes in the room is 3
Base price [CNCT] 
Board supplement and discount [CNSR] 
Supplement and discount [CNSU] 

Price 
Is per pax 
Price 
Is per pax 
Application type 
Amount 
Price per pax 
100 
Y 
20 
N 
B 
30 
(100(30/3))+20/3=96.67 
Y 
(100(30/3))+20=110 

N 
R 
30 
100+(20/3(30/3))=96.67 

Y 
100+(20(30/3))=110 

N 
N 
30 
(100(30/3))+20/3=96.67 

Y 
(100(30/3))+20=110 

N 
A 
30 
30/3=10 

Y 
30/3=10 

N 
M 
30 
(30/3)+20/3=16.67 

Y 
(30/3)+20=30 

100 
N 
20 
N 
B 
30 
(100/2)(30/3)+(20/3)=46.67 
Y 
(100/2)(30/3)+20=60 

N 
R 
30 
(100/2)+((20/3)(30/3))=46.67 

Y 
(100/2)+(20(30/3)))=60 

N 
N 
30 
(100/2)(30/3)+(20/3)=46.67 

Y 
(100/2)(30/3)+20=60 

N 
A 
30 
30/3=10 

Y 
30/3=10 

N 
M 
30 
(30/3)+20/2=20 (*) 

Y 
(30/3)+20=30 

100 
Y 
20 
N 
B 
30% 
(10030%100)+(20/3)=76.67 
Y 
(10030%100)+20=90 

N 
R 
30% 
100+((20/3)30%20/3))=104.67 

Y 
100+(2030%20)=114 

N 
N 
30% 
(10030%100)+(20/330%20/3)=74.67 

Y 
(10030%100)+(2030%20)=84 

100 
N 
20 
N 
B 
30% 
(100/230%100/2)+(20/3)=41.67 
Y 
(100/230%100/2)+20=55 

N 
R 
30% 
100/2+((20/3)30%20/3))=54.67 

Y 
100/2+(2030%20)=64 

N 
N 
30% 
(100/230%100/2)+ (20/330%20/3)=39.67 

Y 
(100/230%100/2)+(2030%20)=49 
Supplement/discount valuation example
The application types U and T are the same than N, but only for the first night. The application types A and M are only possible with amounts, not percentages.
(*) If the board price is per room and there is a M discount, it is necessary to divide the board to the standard capacity in order to get the price for 1 pax and add the absolute amount for this supplement.
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