Unrequire billing address block field for US in GiveWP visual builder forms

unrequire_billing_block_fields.php

<?php

// Disable the custom billing address validation rules
add_filter( 'givewp_donation_form_validate_billing_address', function( $errors, $donation, $form_id ) {
    // Clear all billing address related validation errors
    if ( isset( $errors['billingAddress'] ) ) {
        unset( $errors['billingAddress'] );
    }
    if ( isset( $errors['billingAddress.city'] ) ) {
        unset( $errors['billingAddress.city'] );
    }
    if ( isset( $errors['billingAddress.state'] ) ) {
        unset( $errors['billingAddress.state'] );
    }
    if ( isset( $errors['billingAddress.zip'] ) ) {
        unset( $errors['billingAddress.zip'] );
    }
    
    return $errors;
}, 10, 3 );

// Also add the schema filter to remove them visually
add_action( 'givewp_donation_form_schema', function( $form ) {
    $country = $form->getNodeByName( 'country' );
    if ( ! $country ) {
        return;
    }
    
    $address1 = $form->getNodeByName( 'address1' );
    $city = $form->getNodeByName( 'city' );
    $state = $form->getNodeByName( 'state' );
    $postalCode = $form->getNodeByName( 'zip' );

    $country->required( false );
    $address1->required( false );
    $city->required( false );
    $state->required( false );
    $postalCode->required( false );
    
    // Remove the custom validation rules
    try {
        $cityRules = $city->getValidationRules();
        $cityRules->removeRuleWithId( 'city' );
        
        $stateRules = $state->getValidationRules();
        $stateRules->removeRuleWithId( 'state' );
        
        $zipRules = $postalCode->getValidationRules();
        $zipRules->removeRuleWithId( 'zip' );
    } catch ( Exception $e ) {
        error_log( 'Error removing billing address validation rules: ' . $e->getMessage() );
    }
} );

Add this CSS code to the form's Custom Styles panel or in GiveWP > Settings > Advanced > Donations Forms > Custom Styles

  /* Hide the required indicator (asterisk) for billing address city, state, and zip fields */
    .give-billing-address-block__city .give-form-label::after,
    .give-billing-address-block__state .give-form-label::after,
    .give-billing-address-block__zip .give-form-label::after {
        display: none !important;
    }
    
    /* Alternative: hide the entire required indicator for all billing address fields except country and address1 */
    .give-field__city .give-is-required,
    .give-field__state .give-is-required,
    .give-field__zip .give-is-required {
        display: none !important;
    }