diff --git a/src/slp/tokentype1.js b/src/slp/tokentype1.js
index f2a6ce9..969b7c9 100644
--- a/src/slp/tokentype1.js
+++ b/src/slp/tokentype1.js
@@ -361,6 +361,61 @@ class TokenType1 {
       throw err
     }
   }
+
+  // Parent NFT
+  generateNFTGenesisOpReturn(configObj) {
+    try {
+      // TODO: Add input validation.
+
+      // Prevent error if user fails to add the document hash.
+      if (!configObj.documentHash) configObj.documentHash = ""
+
+      // If mint baton is not specified, then replace it with null.
+      if (!configObj.mintBatonVout) configObj.mintBatonVout = null
+
+      const script = slpMdm.NFT1.Group.genesis(
+        configObj.ticker,
+        configObj.name,
+        configObj.documentUrl,
+        configObj.documentHash,
+        0,
+        configObj.mintBatonVout,
+        new slpMdm.BN("1")
+      )
+
+      return script
+    } catch (err) {
+      console.log(`Error in generateNFTGenesisOpReturn()`)
+      throw err
+    }
+  }
+
+  generateNFTChildOpReturn(configObj) {
+    try {
+      // TODO: Add input validation.
+
+      // Prevent error if user fails to add the document hash.
+      if (!configObj.documentHash) configObj.documentHash = ""
+
+      // If mint baton is not specified, then replace it with null.
+      if (!configObj.mintBatonVout) configObj.mintBatonVout = null
+
+      const script = slpMdm.NFT1.Group.genesis(
+        configObj.ticker,
+        configObj.name,
+        configObj.documentUrl,
+        configObj.documentHash,
+        0,
+        configObj.mintBatonVout,
+        new slpMdm.BN("1")
+      )
+
+      return script
+    } catch (err) {
+      console.log(`Error in generateNFTChildOpReturn()`)
+      throw err
+    }
+  }
 }
 
 module.exports = TokenType1
diff --git a/test/unit/slp-tokentype1.js b/test/unit/slp-tokentype1.js
index 626bc52..b7f150d 100644
--- a/test/unit/slp-tokentype1.js
+++ b/test/unit/slp-tokentype1.js
@@ -413,4 +413,40 @@ describe("#SLP TokenType1", () => {
       assert.equal(Buffer.isBuffer(result), true)
     })
   })
+
+  describe("#generateNFTOpReturn", () => {
+    it("should generate NFT Genesis OP_RETURN code", async () => {
+      const configObj = {
+        name: "SLP Test Token",
+        ticker: "SLPTEST",
+        documentUrl: "https://bchjs.cash",
+        documentHash: ""
+      }
+
+      const result = await bchjs.SLP.TokenType1.generateNFTGenesisOpReturn(
+        configObj
+      )
+      // console.log(`result: `, result)
+
+      assert.equal(Buffer.isBuffer(result), true)
+    })
+  })
+
+  describe("#generateNFTChildOpReturn", () => {
+    it("should generate NFT Genesis OP_RETURN code", async () => {
+      const configObj = {
+        name: "SLP Test Token",
+        ticker: "SLPTEST",
+        documentUrl: "https://bchjs.cash",
+        documentHash: ""
+      }
+
+      const result = await bchjs.SLP.TokenType1.generateNFTChildOpReturn(
+        configObj
+      )
+      // console.log(`result: `, result)
+
+      assert.equal(Buffer.isBuffer(result), true)
+    })
+  })
 })