format

changelog_entry.yaml

@@ -0,0 +1,4 @@
+- bump: minor
+  changes:
+    changed:
+    - Refactor the Pension Credit parameter, variable and test files.

policyengine_uk/parameters/gov/dwp/pension_credit/guarantee_credit/additions.yaml

@@ -1,10 +1,10 @@
-description: Additional elements available in Pension Credit.
+description: The following additional elements are provided under the Pension Credit.
 metadata:
   economy: false
   period: year
   propagate_metadata_to_children: true
-  reference: none
   unit: currency-GBP
+  label: Pension Credit guarantee credit additions
 values:
   2002-01-01:
   - pension_credit_severe_disability_minimum_guarantee_addition

policyengine_uk/parameters/gov/dwp/pension_credit/guarantee_credit/carer/amount.yaml

@@ -12,5 +12,5 @@ metadata:
   label: Pension Credit carer addition amount
   uprating: gov.benefit_uprating_cpi
   reference:
-    - title: The Social Security Benefits Up-rating Order 2022
-      href: https://www.legislation.gov.uk/uksi/2022/292/article/30/made#article-30-2-c
+    - title: The State Pension Credit Regulations 2002 Part II reg. 6 (8)
+      href: https://www.legislation.gov.uk/uksi/2002/1792/data.pdf#page=22

policyengine_uk/parameters/gov/dwp/pension_credit/guarantee_credit/child/amount.yaml

@@ -5,8 +5,8 @@ metadata:
   period: week
   propagate_metadata_to_children: true
   reference:
-  - href: https://www.legislation.gov.uk/uksi/2002/1792/schedule/IIA/paragraph/9/2019-02-01
-    title: The State Pension Credit Regulations 2002
+  - title: The State Pension Credit Regulations 2002
+    href: https://www.legislation.gov.uk/uksi/2002/1792/schedule/IIA/paragraph/9/2019-02-01
   unit: currency-GBP
   uprating: gov.benefit_uprating_cpi
 

policyengine_uk/parameters/gov/dwp/pension_credit/guarantee_credit/minimum_guarantee.yaml

@@ -27,5 +27,5 @@ metadata:
   uprating: gov.benefit_uprating_cpi
   unit: currency-GBP
   reference:
-    - title: The State Pension Credit Regulations 2002 reg. 6 (1)
+    - title: The State Pension Credit Regulations 2002 Part II reg. 6 (1)
       href: https://www.legislation.gov.uk/uksi/2002/1792/data.pdf#page=21

policyengine_uk/parameters/gov/dwp/pension_credit/income/sources.yaml

@@ -5,9 +5,8 @@ metadata:
   propagate_metadata_to_children: true
   period: year
   reference:
-  - title: State Pension Credit Act 2002 s. 15(1)
-    href: https://www.legislation.gov.uk/ukpga/2002/16/section/15
-
+    - title: State Pension Credit Act 2002 s. 15(1)
+      href: https://www.legislation.gov.uk/ukpga/2002/16/section/15
   unit: list
 
 values:

policyengine_uk/tests/policy/baseline/gov/dwp/pension_credit/guarantee_credit/minimum_guarantee/additional/carer_minimum_guarantee_addition.yaml

@@ -19,4 +19,4 @@
       benunit:
         members: [claimant, spouse]
   output:
-    pension_credit_carer_minimum_guarantee_addition: 3_920
+    pension_credit_carer_minimum_guarantee_addition: 3_920

policyengine_uk/tests/policy/baseline/gov/dwp/pension_credit/guarantee_credit/minimum_guarantee/additional/pension_credit_child_minimum_guarantee_addition.yaml

@@ -0,0 +1,43 @@
+- name: Three children, one not disabled, two disabled, one severely.
+  period: 2022
+  input:
+    people:
+      child_1:
+        age: 5
+      child_2:
+        age: 5
+        dla_sc_category: LOWER
+      child_3:
+        age: 5
+        dla_sc_category: HIGHER
+    benunits:
+      benunit:
+        members: [child_1, child_2, child_3]
+  output:
+    pension_credit_child_minimum_guarantee_addition: (54.60 + 84.26 + 147.14) * 52
+
+- name: Two children, one disabled
+  period: 2022
+  input:
+    people:
+      person1:
+        is_child_or_QYP: 5
+        pip: 
+        dla:
+      child_2:
+        is_child_or_QYP: 5
+        pip: 1
+        receives_highest_dla_sc: 0
+        receives_enhanced_pip_dl: 0
+        dla: 0
+      child_3:
+        is_child_or_QYP: 5
+        pip: 0
+        receives_highest_dla_sc: 0
+        receives_enhanced_pip_dl: 0
+        dla: 0
+    benunits:
+      benunit:
+        members: [person1, child_2, child_3]
+  output:
+    pension_credit_child_minimum_guarantee_addition: (54.60 + 84.26 + 147.14) * 52

policyengine_uk/variables/gov/dwp/pension_credit/guarantee_credit/minimum_guarantee/additional/pension_credit_additional_minimum_guarantee.py

@@ -2,7 +2,7 @@
 
 
 class pension_credit_additional_minimum_guarantee(Variable):
-    label = "Pension Credit additional minimum Ggarantee"
+    label = "Pension Credit additional minimum guarantee"
     entity = BenUnit
     definition_period = YEAR
     value_type = float

policyengine_uk/variables/gov/dwp/pension_credit/guarantee_credit/minimum_guarantee/additional/pension_credit_carer_minimum_guarantee_addition.py

@@ -2,7 +2,7 @@
 
 
 class pension_credit_carer_minimum_guarantee_addition(Variable):
-    label = "Carer-related increase"
+    label = "Pension Credit carer minimum guarantee addition"
     entity = BenUnit
     definition_period = YEAR
     value_type = float

policyengine_uk/variables/gov/dwp/pension_credit/guarantee_credit/minimum_guarantee/additional/pension_credit_child_minimum_guarantee_addition.py

@@ -15,25 +15,27 @@ def formula(benunit, period, parameters):
         gc = parameters(period).gov.dwp.pension_credit.guarantee_credit
         standard_disability_benefits = gc.child.disability.eligibility
         severe_disability_benefits = gc.child.disability.severe.eligibility
-        is_disabled = add(person, period, standard_disability_benefits) > 0
-        is_severely_disabled = (
+        receives_disability_benefits = (
+            add(person, period, standard_disability_benefits) > 0
+        )
+        receives_severe_disability_benefits = (
             add(person, period, severe_disability_benefits) > 0
         )
-        is_standard_disabled = is_disabled & ~is_severely_disabled
-        is_not_disabled = ~is_disabled
-        per_child_amount = (
-            select(
-                [
-                    is_child & is_not_disabled,
-                    is_child & is_standard_disabled,
-                    is_child & is_severely_disabled,
-                ],
-                [
-                    gc.child.amount,
-                    gc.child.amount + gc.child.disability.amount,
-                    gc.child.amount + gc.child.disability.severe.amount,
-                ],
-            )
-            * WEEKS_IN_YEAR
+        is_standard_disabled = (
+            receives_disability_benefits & ~receives_severe_disability_benefits
+        )
+        is_not_disabled = ~receives_disability_benefits
+        per_child_amount = select(
+            [
+                is_child & is_not_disabled,
+                is_child & is_standard_disabled,
+                is_child & receives_severe_disability_benefits,
+            ],
+            [
+                gc.child.amount,
+                gc.child.amount + gc.child.disability.amount,
+                gc.child.amount + gc.child.disability.severe.amount,
+            ],
+            default=0,
         )
-        return benunit.sum(per_child_amount)
+        return benunit.sum(per_child_amount) * WEEKS_IN_YEAR

policyengine_uk/variables/gov/dwp/pension_credit/savings_credit/is_savings_credit_eligible.py

@@ -2,7 +2,7 @@
 
 
 class is_savings_credit_eligible(Variable):
-    label = "Eligible for Savings Credit"
+    label = "eligible for Savings Credit"
     entity = BenUnit
     definition_period = YEAR
     value_type = bool

policyengine_uk/variables/gov/dwp/pension_credit/savings_credit/savings_credit_income.py

@@ -2,7 +2,7 @@
 
 
 class savings_credit_income(Variable):
-    label = "Income for Savings Credit"
+    label = "income considered for the Savings Credit"
     documentation = "Savings Credit (Pension Credit) excludes certain income sources from the calculation of the amount."
     entity = BenUnit
     definition_period = YEAR