diff --git a/src/requirements/functional-requirements/IO-functions/index.tex b/src/requirements/functional-requirements/IO-functions/index.tex
new file mode 100644
index 0000000..2a32af3
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/index.tex
@@ -0,0 +1,5 @@
+\subsubsection{Kopīgās funkcijas ievades / izvades datu prasības}
+Apakšnodaļa ietver informāciju par funkciju parametriem, tai skaitā, nosaukumu, identifikatoru, aprakstu, prasībām un parametru vērtību piemēru, ja tas ir nepieciešams.
+
+\input{./src/requirements/functional-requirements/IO-functions/parameter/index.tex}
+\input{./src/requirements/functional-requirements/IO-functions/procedure/index.tex}
diff --git a/src/requirements/functional-requirements/IO-functions/parameter/IIDP01.tex b/src/requirements/functional-requirements/IO-functions/parameter/IIDP01.tex
new file mode 100644
index 0000000..3912c5f
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/parameter/IIDP01.tex
@@ -0,0 +1,19 @@
+\parameterTable{}{IIDP01} % TODO: add title
+{Datuma simbolu virkne}
+{IIDP01}
+{
+	Datums, kas ir reprezentēts ar simbolu virkni noteiktā formātā un laika zonā (sistēmas ietvaros tiek izmantota viena laika zona).
+}
+{
+	\begin{enumerate}
+		\item Jāatbilst standarta ISO 8601 datumu formātam;
+		\item Gadam jābūt 4 cipariem;
+		\item Mēnesim un gadam jāsatur 2 ciparus, ar sākuma nullēm, ja attiecināms;
+		\item Gadu, mēnesi un dienu jāatdala ar svītru (-);
+		\item Datumu jānosaka pēc koordinētās universālās laika zonas (UTC);
+		\item Struktūru raksturo shēma: YYYY-MM-DD, kur Y simboli ir aizvietojami ar gadu, M ar mēnesi un D ar dienu.
+	\end{enumerate}
+}
+{
+	2023-10-22
+}
diff --git a/src/requirements/functional-requirements/IO-functions/parameter/IIDP02.tex b/src/requirements/functional-requirements/IO-functions/parameter/IIDP02.tex
new file mode 100644
index 0000000..1018315
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/parameter/IIDP02.tex
@@ -0,0 +1,20 @@
+\parameterTable{}{IIDP02} % TODO: add title
+{Laika simbolu virkne}
+{IIDP02}
+{
+	Datums un laiks, kas ir reprezentēts ar simbolu virkni noteiktā formātā un laika zonā (sistēmas ietvaros tiek izmantota viena laika zona).
+}
+{
+	\begin{enumerate}
+		\item Jāatbilst standarta ISO 8601 datumu un laika formātam;
+		\item Gadam jābūt 4 cipariem;
+		\item Mēnesim un gadam jāsatur 2 ciparus, ar sākuma nullēm, ja attiecināms;
+		\item Gadu, mēnesi un dienu jāatdala ar svītru;
+		\item Stundai un minūtei un sekundei jābūt 2 cipariem, ar sākuma nullēm, ja nepieciešam;
+		\item Laiks un datums jānosaka pēc koordinētās universālās laika zonas (UTC);
+		\item Struktūru raksturo shēma: YYYY-MM-DDThh:mm:ss, kur Y simboli ir aizvietojami ar gadu, M ar mēnesi un D ar dienu, kā arī h simboli ir aizvietojami ar stundām, m ar minūtēm un s ar sekundēm.
+	\end{enumerate}
+}
+{
+	2023-10-22T12:30:12
+}
diff --git a/src/requirements/functional-requirements/IO-functions/parameter/IIDP03.tex b/src/requirements/functional-requirements/IO-functions/parameter/IIDP03.tex
new file mode 100644
index 0000000..0f5d7c1
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/parameter/IIDP03.tex
@@ -0,0 +1,14 @@
+\parameterTable{}{IIDP03} % TODO: add title
+{Skaitlisks stāvokļa kods}
+{IIDP03}
+{
+	Skaitlis, kas reprezentē noteiktu stāvokli funkcijas darbībai vai datubāzes entitātei.
+}
+{
+	\begin{enumerate}
+		\item Vesels pozitīvs skaitlis.
+	\end{enumerate}
+}
+{
+	253
+}
diff --git a/src/requirements/functional-requirements/IO-functions/parameter/IIDP04.tex b/src/requirements/functional-requirements/IO-functions/parameter/IIDP04.tex
new file mode 100644
index 0000000..f55a3c5
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/parameter/IIDP04.tex
@@ -0,0 +1,15 @@
+\parameterTable{}{IIDP04} % TODO: add title
+{Vārds un uzvārds}
+{IIDP04}
+{
+	Reģistrēta lietotāja vārds un uzvārds.
+}
+{
+	\begin{enumerate}
+		\item Simbolu virkne garumā līdz 255 simboliem;
+		\item Atļautie simbola: unikoda lielie burti (Lu), mazie burti (Ll), virsraksta burti (Lt,) modifikatoru burti (Lm), citi burti (Lo), atstarpe, domuzīme.
+	\end{enumerate}
+}
+{
+	% FIX: add example
+}
diff --git a/src/requirements/functional-requirements/IO-functions/parameter/IIDP05.tex b/src/requirements/functional-requirements/IO-functions/parameter/IIDP05.tex
new file mode 100644
index 0000000..54a1f2d
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/parameter/IIDP05.tex
@@ -0,0 +1,15 @@
+\parameterTable{}{IIDP05} % TODO: add title
+{E-pasts}
+{IIDP05}
+{
+	Reģistrēta lietotāja e-pasts.
+}
+{
+	\begin{enumerate}
+		\item Simbolu virkne garumā līdz 255 simboliem;
+		\item Jāatbilst standarta RFC 2822 interneta ziņu formātam.
+	\end{enumerate}
+}
+{
+	lietotajvārds@domens.lv
+}
diff --git a/src/requirements/functional-requirements/IO-functions/parameter/IIDP06.tex b/src/requirements/functional-requirements/IO-functions/parameter/IIDP06.tex
new file mode 100644
index 0000000..b01b89b
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/parameter/IIDP06.tex
@@ -0,0 +1,21 @@
+\parameterTable{}{IIDP06} % TODO: add title
+{Parole}
+{IIDP06}
+{
+	Reģistrēta lietotāja e-pasts
+}
+{
+	\begin{enumerate}
+		\item Simbolu virkne garumā no 8 līdz 127 simboliem;
+		\item Var saturēt burtciparu simbolus, skaitļus, atstarpi, speciālos simbolus:
+		      izsaukuma zīmi (!), dubultpēdiņas (``), skaitļa zīmi (\#), dolāra zīmi (\$),
+		      procenta zīmi (\%), ampersandu (\&), pēdiņas (`), iekavas (()), figūriekavas (\{\}), zvaigznīti (*),
+		      plusu (+), komatu (,), mīnusu (-), punktu (.), slīpsvītru (/), kolu (:), semikolu (;),
+		      salīdzinājuma zīmes (< >), vienādības zīmi (=), jautājuma zīmi (?), ``et'' zīmi (@),
+		      slīpsvītru (/), pasvītru (\_), vertikālo joslu (|), tildi ($\sim$); % TODO: replace all characters with math chars
+		\item Minimālās drošības prasības: satur vismaz vienu lielo un mazo burtu, vienu ciparu.
+	\end{enumerate}
+}
+{
+	% FIX: add example
+}
diff --git a/src/requirements/functional-requirements/IO-functions/parameter/IIDP07.tex b/src/requirements/functional-requirements/IO-functions/parameter/IIDP07.tex
new file mode 100644
index 0000000..db65b3b
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/parameter/IIDP07.tex
@@ -0,0 +1,15 @@
+\parameterTable{}{IIDP07} % TODO: add title
+{Segvārds}
+{IIDP07}
+{
+	Reģistrēta lietotāja vārds, kas tiek izmantots saskarnes personalizācijai.
+}
+{
+	\begin{enumerate}
+		\item Simbolu virkne garumā no 6 līdz 255 simboliem;
+		\item Atļautie simboli: lielie burti (Lu), mazie burti (Ll, virsraksta burti (Lt,) modifikatoru burti (Lm), citi burti (Lo), atstarpe, domuzīme, apakšsvītra.
+	\end{enumerate}
+}
+{
+	% FIX: add example
+}
diff --git a/src/requirements/functional-requirements/IO-functions/parameter/IIDP08.tex b/src/requirements/functional-requirements/IO-functions/parameter/IIDP08.tex
new file mode 100644
index 0000000..abb388c
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/parameter/IIDP08.tex
@@ -0,0 +1,16 @@
+\parameterTable{}{IIDP08} % TODO: add title
+{Profila attēls}
+{IIDP08}
+{
+	Reģistrēta lietotāja attēla datne.
+}
+{
+	\begin{enumerate}
+		\item Attēla datne;
+		\item Paplašinājums ir viens no: JPEG, JPG, GIF, PNG, WEBP;
+		\item Izmērs nepārsniedz 1MB.
+	\end{enumerate}
+}
+{
+	% FIX: add example
+}
diff --git a/src/requirements/functional-requirements/IO-functions/parameter/IIDP09.tex b/src/requirements/functional-requirements/IO-functions/parameter/IIDP09.tex
new file mode 100644
index 0000000..055b9e8
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/parameter/IIDP09.tex
@@ -0,0 +1,15 @@
+\parameterTable{}{IIDP09} % TODO: add title
+{Biogrāfiskā informācija}
+{IIDP09}
+{
+	Reģistrēta lietotāja pievienotā profila informācija teksta formātā.
+}
+{
+	\begin{enumerate}
+		\item Simbolu virkne garumā līdz 512 simboliem;
+		\item Atļautie simboli: Unikoda lielie burti (Lu), mazie burti (Ll), virsraksta burti (Lt,) modifikatoru burti (Lm), citi burti (Lo), speciālie simboli.
+	\end{enumerate}
+}
+{
+	Dzimis ēteriskā meža sirdī, vienmēr biju noskaņots uz vējiem. Jau no mazotnes parādīju iedzimtu spēju sazināties ar vēsmām un brāzmām, kas plūda cauri senajiem kokiem.
+}
diff --git a/src/requirements/functional-requirements/IO-functions/parameter/IIDP10.tex b/src/requirements/functional-requirements/IO-functions/parameter/IIDP10.tex
new file mode 100644
index 0000000..6db5d58
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/parameter/IIDP10.tex
@@ -0,0 +1,14 @@
+\parameterTable{}{IIDP10} % TODO: add title
+{Entitātes identifikators}
+{IIDP10}
+{
+	Datubāzē izmantots skaitlisks entitātes identifikators.
+}
+{
+	\begin{enumerate}
+		\item Vesels pozitīvs skaitlis
+	\end{enumerate}
+}
+{
+	253
+}
diff --git a/src/requirements/functional-requirements/IO-functions/parameter/IIDP11.tex b/src/requirements/functional-requirements/IO-functions/parameter/IIDP11.tex
new file mode 100644
index 0000000..00fc409
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/parameter/IIDP11.tex
@@ -0,0 +1,14 @@
+\parameterTable{}{IIDP11} % TODO: add title
+{Kārtošanas kods}
+{IIDP11}
+{
+	Skaitlisks kods, kas atbilst kādam atribūtam, kurš ir kārtojams: 0 - nekārtot, 1 - kārtot augoši, 2 - kārtot dilstoši.
+}
+{
+	\begin{enumerate}
+		\item Vesels pozitīvs skaitlis
+	\end{enumerate}
+}
+{
+	253
+}
diff --git a/src/requirements/functional-requirements/IO-functions/parameter/IIDP12.tex b/src/requirements/functional-requirements/IO-functions/parameter/IIDP12.tex
new file mode 100644
index 0000000..a03cfbb
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/parameter/IIDP12.tex
@@ -0,0 +1,15 @@
+\parameterTable{}{IIDP12} % TODO: add title
+{Datubāzes atribūta nosaukums}
+{IIDP12}
+{
+	Datubāzes atribūta nosaukums.
+}
+{
+	\begin{enumerate}
+		\item Simbolu virkne garumā līdz 127 simboliem;
+		\item Atļautie simboli: Unikoda mazie burti (Ll), pasvītra.
+	\end{enumerate}
+}
+{
+	% FIX: add example
+}
diff --git a/src/requirements/functional-requirements/IO-functions/parameter/IIDP13.tex b/src/requirements/functional-requirements/IO-functions/parameter/IIDP13.tex
new file mode 100644
index 0000000..cfbf186
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/parameter/IIDP13.tex
@@ -0,0 +1,15 @@
+\parameterTable{}{IIDP13} % TODO: add title
+{Datubāzes pieprasījums}
+{IIDP13}
+{
+	Datubāzes pieprasījums.
+}
+{
+	\begin{enumerate}
+		\item Pieprasījums PostgreSQL formātā iekodēts simbolu virknes struktūrā;
+		\item Pieprasījumā jābūt iespējai rediģēt pastāvošos un pievienot papildus nosacījumus.
+	\end{enumerate}
+}
+{
+	% FIX: add example
+}
diff --git a/src/requirements/functional-requirements/IO-functions/parameter/IIDP14.tex b/src/requirements/functional-requirements/IO-functions/parameter/IIDP14.tex
new file mode 100644
index 0000000..718b109
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/parameter/IIDP14.tex
@@ -0,0 +1,15 @@
+\parameterTable{}{IIDP14} % TODO: add title
+{Meklēšanas uzvedne}
+{IIDP14}
+{
+	Uzvedne datubāzes ierakstu meklēšanai.
+}
+{
+	\begin{enumerate}
+		\item Simbolu virkne garumā līdz 255 simboliem;
+		\item Atļautie simboli: Unikoda lielie burti (Lu), mazie burti (Ll), virsraksta burti (Lt,) modifikatoru burti (Lm), citi burti (Lo), atsarpe, domuzīme, cipari.
+	\end{enumerate}
+}
+{
+	% FIX: add example
+}
diff --git a/src/requirements/functional-requirements/IO-functions/parameter/IIDP15.tex b/src/requirements/functional-requirements/IO-functions/parameter/IIDP15.tex
new file mode 100644
index 0000000..c11a804
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/parameter/IIDP15.tex
@@ -0,0 +1,14 @@
+\parameterTable{}{IIDP15} % TODO: add title
+{Cena}
+{IIDP15}
+{
+	Maksas abonementa cena.
+}
+{
+	\begin{enumerate}
+		\item Decimāls skaitlis līdz 16 cipariem un 2 cipariem aiz komata.
+	\end{enumerate}
+}
+{
+	1234,56
+}
diff --git a/src/requirements/functional-requirements/IO-functions/parameter/IIDP16.tex b/src/requirements/functional-requirements/IO-functions/parameter/IIDP16.tex
new file mode 100644
index 0000000..6698d91
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/parameter/IIDP16.tex
@@ -0,0 +1,15 @@
+\parameterTable{}{IIDP16} % TODO: add title
+{Īsziņas teksts}
+{IIDP16}
+{
+	Lietotāja sūtītās īsziņas teksts istabas tērzētavā.
+}
+{
+	\begin{enumerate}
+		\item Simbolu virkne līdz 2047 simboliem;
+		\item Atļautie simboli: Unikoda lielie burti (Lu), mazie burti (Ll), virsraksta burti (Lt,) modifikatoru burti (Lm), citi burti (Lo), speciālie simboli.
+	\end{enumerate}
+}
+{
+	% FIX: add example
+}
diff --git a/src/requirements/functional-requirements/IO-functions/parameter/index.tex b/src/requirements/functional-requirements/IO-functions/parameter/index.tex
new file mode 100644
index 0000000..53dd8bb
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/parameter/index.tex
@@ -0,0 +1,16 @@
+\input{./src/requirements/functional-requirements/IO-functions/parameter/IIDP01.tex}
+\input{./src/requirements/functional-requirements/IO-functions/parameter/IIDP02.tex}
+\input{./src/requirements/functional-requirements/IO-functions/parameter/IIDP03.tex}
+\input{./src/requirements/functional-requirements/IO-functions/parameter/IIDP04.tex}
+\input{./src/requirements/functional-requirements/IO-functions/parameter/IIDP05.tex}
+\input{./src/requirements/functional-requirements/IO-functions/parameter/IIDP06.tex}
+\input{./src/requirements/functional-requirements/IO-functions/parameter/IIDP07.tex}
+\input{./src/requirements/functional-requirements/IO-functions/parameter/IIDP08.tex}
+\input{./src/requirements/functional-requirements/IO-functions/parameter/IIDP09.tex}
+\input{./src/requirements/functional-requirements/IO-functions/parameter/IIDP10.tex}
+\input{./src/requirements/functional-requirements/IO-functions/parameter/IIDP11.tex}
+\input{./src/requirements/functional-requirements/IO-functions/parameter/IIDP12.tex}
+\input{./src/requirements/functional-requirements/IO-functions/parameter/IIDP13.tex}
+\input{./src/requirements/functional-requirements/IO-functions/parameter/IIDP14.tex}
+\input{./src/requirements/functional-requirements/IO-functions/parameter/IIDP15.tex}
+\input{./src/requirements/functional-requirements/IO-functions/parameter/IIDP16.tex}
diff --git a/src/requirements/functional-requirements/IO-functions/procedure/index.tex b/src/requirements/functional-requirements/IO-functions/procedure/index.tex
new file mode 100644
index 0000000..d4c0d3e
--- /dev/null
+++ b/src/requirements/functional-requirements/IO-functions/procedure/index.tex
@@ -0,0 +1 @@
+\subsubsection{Kopīgās procedūras}
diff --git a/src/requirements/functional-requirements/index.tex b/src/requirements/functional-requirements/index.tex
index 6ec9677..7b63769 100644
--- a/src/requirements/functional-requirements/index.tex
+++ b/src/requirements/functional-requirements/index.tex
@@ -1,7 +1,7 @@
 \subsection{Funkcionālās prasības}
-% \input{./src/requirements/functional-requirements/general-notices.tex}
 % TODO: remove the following line
 % [Citas apakšnodaļas ar vispārīgu lietu aprakstu]
 
 \input{./src/requirements/functional-requirements/function-modules.tex}
-\input{./src/requirements/functional-requirements/modules/index.tex}
+\input{./src/requirements/functional-requirements/IO-functions/index.tex}
+% \input{./src/requirements/functional-requirements/modules/index.tex}
diff --git a/src/utils/function-table.tex b/src/utils/function-table.tex
index e0c28f4..1725356 100644
--- a/src/utils/function-table.tex
+++ b/src/utils/function-table.tex
@@ -51,18 +51,6 @@
 	\specificationTableItem{Paziņojumi}{#9}
 }
 
-\newcommand{\parameterTable}[7]{
-	\paragraph{#1}
-	\begin{table}[h]
-		\caption{#1}\label{tab:#2}
-	\end{table}
-	\specificationTableItem{Parametra nosaukums}{#3}
-	\specificationTableItem{Parametra identifikators}{#4}
-	\specificationTableItem{Parametra apraksts}{#5}
-	\specificationTableItem{Parametra prasības}{#6}
-	\specificationTableItem{Parametra piemērs}{#7}
-}
-
 \newcommand{\procedureTable}[8]{
 	\paragraph{#1}
 	\begin{table}[h]
diff --git a/src/utils/index.tex b/src/utils/index.tex
index 31620d9..52887c1 100644
--- a/src/utils/index.tex
+++ b/src/utils/index.tex
@@ -1,2 +1,3 @@
 \input{./src/utils/function-table.tex}
 \input{./src/utils/entity-table.tex}
+\input{./src/utils/parameter-table.tex}
diff --git a/src/utils/parameter-table.tex b/src/utils/parameter-table.tex
new file mode 100644
index 0000000..ad1e2ce
--- /dev/null
+++ b/src/utils/parameter-table.tex
@@ -0,0 +1,37 @@
+\newcommand{\parameterTable}[7]{
+	% \paragraph{#1}
+	\begin{table}[h]
+		\caption{#1}\label{tab:#2}
+	\end{table}
+	\specificationTableItem{Parametra nosaukums}{#3}
+	\specificationTableItem{Parametra identifikators}{#4}
+	\specificationTableItem{Parametra apraksts}{#5}
+	\specificationTableItem{Parametra prasības}{#6}
+	\specificationTableItem{Parametra piemērs}{#7}
+}
+
+% \newcommand{\parameterTable}[7]{
+% 	\begin{tabularx}{\linewidth}{|X|}
+% 		\caption{#1} \label{tab:#2}                                  \\ \hline
+% 		\endfirsthead
+% 		\hline \multicolumn{1}{r}{Turpinājums no iepriekšējās lapas} \\ \hline
+% 		\endhead
+%
+% 		\hline \multicolumn{1}{r}{Turpinājums nākamajā lapā}         \\ \hline
+% 		\endfoot
+%
+% 		\hline
+% 		\endlastfoot
+%
+% 		\textbf{Parametra nosaukums}                                 \\ \hline
+% 		#3                                                           \\ \hline
+% 		\textbf{Parametra identifikators}                            \\ \hline
+% 		#4                                                           \\ \hline
+% 		\textbf{Parametra apraksts}                                  \\ \hline
+% 		#5                                                           \\ \hline
+% 		\textbf{Parametra prasības}                                  \\ \hline
+% 		#6                                                           \\ \hline
+% 		\textbf{Parametra piemērs}                                   \\ \hline
+% 		#7                                                           \\ \hline
+% 	\end{tabularx}
+% }