contract/contract/views/account_analytic_account_view.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>

    <record id="account_analytic_account_recurring_form_form" model="ir.ui.view">
        <field name="name">account.analytic.account.invoice.recurring.form.inherit</field>
        <field name="model">account.analytic.account</field>
        <field name="inherit_id" ref="analytic.view_account_analytic_account_form"/>
        <field name="mode">primary</field>
        <field name="arch" type="xml">
            <xpath expr="//div[@name='button_box']/.." position="before">
                <header>
                    <button name="action_contract_send" type="object" string="Send by Email" groups="base.group_user"/>
                </header>
            </xpath>
            <group name="main" position="after">
                <separator string="Recurring Invoices"
                           attrs="{'invisible': [('recurring_invoices','!=',True)]}"
                           />
                <div>
                    <field name="recurring_invoices" class="oe_inline"/>
                    <label for="recurring_invoices" />
                    <button name="recurring_create_invoice"
                            type="object"
                            attrs="{'invisible': [('recurring_invoices','!=',True)]}"
                            string="Create invoices"
                            class="oe_link"
                            groups="base.group_no_one"
                            />
                    <button name="contract.act_recurring_invoices"
                            type="action"
                            attrs="{'invisible': [('recurring_invoices','!=',True)]}"
                            string="⇒ Show recurring invoices"
                            class="oe_link"
                            />
                </div>
                <group col="4" attrs="{'invisible': [('recurring_invoices','!=',True)]}">
                    <field name="contract_template_id" />
                    <field name="journal_id"/>
                    <field name="pricelist_id"/>
                    <label for="recurring_interval"/>
                    <div>
                        <field name="recurring_interval"
                               class="oe_inline"
                               attrs="{'required': [('recurring_invoices', '=', True)]}"
                               />
                        <field name="recurring_rule_type"
                               class="oe_inline"
                               attrs="{'required': [('recurring_invoices', '=', True)]}"
                               />
                    </div>
                    <field name="recurring_invoicing_type"/>
                    <field name="date_start"/>
                    <field name="recurring_next_date"/>
                </group>
                <label for="recurring_invoice_line_ids"
                       attrs="{'invisible': [('recurring_invoices','=',False)]}"
                       />
                <div attrs="{'invisible': [('recurring_invoices','=',False)]}">
                    <field name="recurring_invoice_line_ids">
                        <tree string="Account Analytic Lines" editable="bottom">
                            <field name="product_id"/>
                            <field name="name"/>
                            <field name="quantity"/>
                            <field name="uom_id"/>
                            <field name="price_unit"/>
                            <field name="discount" groups="sale.group_discount_per_so_line" />
                            <field name="price_subtotal"/>
                        </tree>
                    </field>
                </div>
                <group string="Legend (for the markers inside invoice lines description)"
                       name="group_legend" attrs="{'invisible': [('recurring_invoices','!=',True)]}">
                    <p colspan="2"> <strong>#START#</strong>: Start date of the invoiced period</p>
                    <p colspan="2"> <strong>#END#</strong>: End date of the invoiced period</p>
                </group>
            </group>
        </field>
    </record>

    <!-- Inherited Analytic Account list for contracts -->
    <record id="view_account_analytic_account_journal_tree" model="ir.ui.view">
        <field name="name">account.analytic.account.journal.list</field>
        <field name="model">account.analytic.account</field>
        <field name="inherit_id" ref="analytic.view_account_analytic_account_list" />
        <field name="arch" type="xml">
            <field name="partner_id" position="before">
                <field name="journal_id" groups="account.group_account_user"/>
            </field>
            <field name="partner_id" position="after">
                <field name="recurring_next_date" invisible="not context.get('is_contract', False)"/>
            </field>
        </field>
    </record>

    <!-- Analytic Account search view for contract -->
    <record id="view_account_analytic_account_contract_search" model="ir.ui.view">
        <field name="name">account.analytic.account.contract.search</field>
        <field name="model">account.analytic.account</field>
        <field name="inherit_id" ref="analytic.view_account_analytic_account_search"/>
        <field name="arch" type="xml">
            <field name="name" position="after">
                <field name="journal_id"/>
                <field name="pricelist_id"/>
                <filter name="recurring_invoices"
                        string="Recurring Invoices"
                        domain="[('recurring_invoices','=',True)]"
                        />
                <group expand="0" string="Group By...">
                    <filter string="Next Invoice"
                            domain="[]"
                            context="{'group_by':'recurring_next_date'}"
                            />
                </group>
            </field>
        </field>
    </record>

    <!-- Action Sales/Sales/Contracts -->
    <record id="action_account_analytic_overdue_all" model="ir.actions.act_window">
        <field name="name">Contracts</field>
        <field name="res_model">account.analytic.account</field>
        <field name="view_type">form</field>
        <field name="view_mode">tree,form</field>
        <field name="context">{'is_contract':1, 'search_default_active':1, 'search_default_recurring_invoices':1}</field>
        <field name="search_view_id" ref="analytic.view_account_analytic_account_search"/>
        <field name="help" type="html">
            <p class="oe_view_nocontent_create">
                Click to create a new contract.
            </p>
        </field>
    </record>

    <menuitem id="menu_action_account_analytic_overdue_all"
              parent="account.menu_finance_receivables"
              action="action_account_analytic_overdue_all"
              sequence="99"
              />

</odoo>