app/config/abilities/pages/billing.yaml

  billing_product_page:
    action: 'display'
    conditions:
      - {function: organizationHasAnyModule, parameters: ['BillingAdministration']}
      - {function: accessHasAnyRoleAbility, parameters: [{action: 'read', subject: 'billings-administration'}]}

  billing_products_by_student_page:
    action: 'display'
    conditions:
      - {function: organizationHasAnyModule, parameters: ['BillingAdministration']}
      - {function: accessHasAnyRoleAbility, parameters: [{action: 'read', subject: 'pedagogics-administration'}]}

  billing_edition_page:
    action: 'display'
    conditions:
      - {function: organizationHasAnyModule, parameters: ['BillingAdministration']}
      - {function: accessHasAnyRoleAbility, parameters: [{action: 'manage', subject: 'billings-administration'}]}

  billing_accounting_page:
    action: 'display'
    conditions:
      - {function: organizationHasAnyModule, parameters: ['BillingAdministration']}
      - {function: accessHasAnyRoleAbility, parameters: [{action: 'read', subject: 'billings-administration'}]}

  billing_payment_list_page:
    action: 'display'
    conditions:
      - {function: organizationHasAnyModule, parameters: ['BillingAdministration']}
      - {function: accessHasAnyRoleAbility, parameters: [{action: 'read', subject: 'billings-administration'}]}

  pes_page:
    action: 'display'
    conditions:
      - {function: organizationHasAnyModule, parameters: ['Pes']}
      - {function: accessHasAnyRoleAbility, parameters: [{action: 'manage', subject: 'billings-administration'}]}

  berger_levrault_page:
    action: 'display'
    conditions:
      - {function: organizationHasAnyModule, parameters: ['BergerLevrault']}
      - {function: accessHasAnyRoleAbility, parameters: [{action: 'manage', subject: 'billings-administration'}]}

  jvs_page:
    action: 'display'
    conditions:
      - {function: organizationHasAnyModule, parameters: ['Jvs']}
      - {function: accessHasAnyRoleAbility, parameters: [{action: 'manage', subject: 'billings-administration'}]}