diff --git a/netmap/types.proto b/netmap/types.proto
new file mode 100644
index 0000000..a0e4026
--- /dev/null
+++ b/netmap/types.proto
@@ -0,0 +1,56 @@
+syntax = "proto3";
+
+package netmap;
+
+option go_package = "github.com/nspcc-dev/neofs-api-go/netmap";
+option csharp_namespace = "NeoFS.API.Netmap";
+
+message PlacementRule {
+    uint32 ReplFactor = 1;
+
+    message SFGroup {
+        message Filter {
+            string Key = 1;
+
+            message SimpleFilters {
+                repeated SimpleFilter Filters = 1;
+            }
+
+            message SimpleFilter {
+                enum Operation {
+                    NP = 0;
+                    EQ = 1;
+                    NE = 2;
+                    GT = 3;
+                    GE = 4;
+                    LT = 5;
+                    LE = 6;
+                    OR = 7;
+                    AND = 8;
+                }
+
+                Operation Op = 1;
+
+                oneof Args {
+                    string Value = 2;
+                    SimpleFilters FArgs = 3;
+                }
+            }
+
+            SimpleFilter F = 2;
+        }
+
+        repeated Filter Filters = 1;
+
+        message Selector {
+            uint32 Count = 1;
+            string Key = 2;
+        }
+
+        repeated Selector Selectors = 2;
+
+        repeated uint32 Exclude = 3;
+    }
+
+    repeated SFGroup SFGroups = 2;
+}
diff --git a/proto-docs/netmap.md b/proto-docs/netmap.md
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+++ b/proto-docs/netmap.md
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+# Protocol Documentation
+<a name="top"></a>
+
+## Table of Contents
+
+- [netmap/types.proto](#netmap/types.proto)
+
+  - Messages
+    - [PlacementRule](#netmap.PlacementRule)
+    - [PlacementRule.SFGroup](#netmap.PlacementRule.SFGroup)
+    - [PlacementRule.SFGroup.Filter](#netmap.PlacementRule.SFGroup.Filter)
+    - [PlacementRule.SFGroup.Filter.SimpleFilter](#netmap.PlacementRule.SFGroup.Filter.SimpleFilter)
+    - [PlacementRule.SFGroup.Filter.SimpleFilters](#netmap.PlacementRule.SFGroup.Filter.SimpleFilters)
+    - [PlacementRule.SFGroup.Selector](#netmap.PlacementRule.SFGroup.Selector)
+    
+
+- [Scalar Value Types](#scalar-value-types)
+
+
+
+<a name="netmap/types.proto"></a>
+<p align="right"><a href="#top">Top</a></p>
+
+## netmap/types.proto
+
+
+ <!-- end services -->
+
+
+<a name="netmap.PlacementRule"></a>
+
+### Message PlacementRule
+
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| ReplFactor | [uint32](#uint32) |  |  |
+| SFGroups | [PlacementRule.SFGroup](#netmap.PlacementRule.SFGroup) | repeated |  |
+
+
+<a name="netmap.PlacementRule.SFGroup"></a>
+
+### Message PlacementRule.SFGroup
+
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| Filters | [PlacementRule.SFGroup.Filter](#netmap.PlacementRule.SFGroup.Filter) | repeated |  |
+| Selectors | [PlacementRule.SFGroup.Selector](#netmap.PlacementRule.SFGroup.Selector) | repeated |  |
+| Exclude | [uint32](#uint32) | repeated |  |
+
+
+<a name="netmap.PlacementRule.SFGroup.Filter"></a>
+
+### Message PlacementRule.SFGroup.Filter
+
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| Key | [string](#string) |  |  |
+| F | [PlacementRule.SFGroup.Filter.SimpleFilter](#netmap.PlacementRule.SFGroup.Filter.SimpleFilter) |  |  |
+
+
+<a name="netmap.PlacementRule.SFGroup.Filter.SimpleFilter"></a>
+
+### Message PlacementRule.SFGroup.Filter.SimpleFilter
+
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| Op | [PlacementRule.SFGroup.Filter.SimpleFilter.Operation](#netmap.PlacementRule.SFGroup.Filter.SimpleFilter.Operation) |  |  |
+| Value | [string](#string) |  |  |
+| FArgs | [PlacementRule.SFGroup.Filter.SimpleFilters](#netmap.PlacementRule.SFGroup.Filter.SimpleFilters) |  |  |
+
+
+<a name="netmap.PlacementRule.SFGroup.Filter.SimpleFilters"></a>
+
+### Message PlacementRule.SFGroup.Filter.SimpleFilters
+
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| Filters | [PlacementRule.SFGroup.Filter.SimpleFilter](#netmap.PlacementRule.SFGroup.Filter.SimpleFilter) | repeated |  |
+
+
+<a name="netmap.PlacementRule.SFGroup.Selector"></a>
+
+### Message PlacementRule.SFGroup.Selector
+
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| Count | [uint32](#uint32) |  |  |
+| Key | [string](#string) |  |  |
+
+ <!-- end messages -->
+
+
+<a name="netmap.PlacementRule.SFGroup.Filter.SimpleFilter.Operation"></a>
+
+### PlacementRule.SFGroup.Filter.SimpleFilter.Operation
+
+
+| Name | Number | Description |
+| ---- | ------ | ----------- |
+| NP | 0 |  |
+| EQ | 1 |  |
+| NE | 2 |  |
+| GT | 3 |  |
+| GE | 4 |  |
+| LT | 5 |  |
+| LE | 6 |  |
+| OR | 7 |  |
+| AND | 8 |  |
+
+
+ <!-- end enums -->
+
+
+
+## Scalar Value Types
+
+| .proto Type | Notes | C++ Type | Java Type | Python Type |
+| ----------- | ----- | -------- | --------- | ----------- |
+| <a name="double" /> double |  | double | double | float |
+| <a name="float" /> float |  | float | float | float |
+| <a name="int32" /> int32 | Uses variable-length encoding. Inefficient for encoding negative numbers – if your field is likely to have negative values, use sint32 instead. | int32 | int | int |
+| <a name="int64" /> int64 | Uses variable-length encoding. Inefficient for encoding negative numbers – if your field is likely to have negative values, use sint64 instead. | int64 | long | int/long |
+| <a name="uint32" /> uint32 | Uses variable-length encoding. | uint32 | int | int/long |
+| <a name="uint64" /> uint64 | Uses variable-length encoding. | uint64 | long | int/long |
+| <a name="sint32" /> sint32 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s. | int32 | int | int |
+| <a name="sint64" /> sint64 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s. | int64 | long | int/long |
+| <a name="fixed32" /> fixed32 | Always four bytes. More efficient than uint32 if values are often greater than 2^28. | uint32 | int | int |
+| <a name="fixed64" /> fixed64 | Always eight bytes. More efficient than uint64 if values are often greater than 2^56. | uint64 | long | int/long |
+| <a name="sfixed32" /> sfixed32 | Always four bytes. | int32 | int | int |
+| <a name="sfixed64" /> sfixed64 | Always eight bytes. | int64 | long | int/long |
+| <a name="bool" /> bool |  | bool | boolean | boolean |
+| <a name="string" /> string | A string must always contain UTF-8 encoded or 7-bit ASCII text. | string | String | str/unicode |
+| <a name="bytes" /> bytes | May contain any arbitrary sequence of bytes. | string | ByteString | str |
+